Yuri I. Abramovich

118 papers B 1Misc 25Journal 53Unranked 39
YearRankTypeTitle / Venue / Authors
2026 J jnl
Numerical Techniques for the Maximum Likelihood Toeplitz Covariance Matrix Estimation: Part II - Hermitian Toeplitz Matrices.
IEEE Trans. Aerosp. Electron. Syst.
Yuri I. Abramovich, Victor Abramovich, Tanit Pongsiri
2025 J jnl
Numerical Techniques for the Maximum Likelihood Toeplitz Covariance Matrix Estimation: Part I. Symmetric Toeplitz Matrices.
CoRR
Yuri I. Abramovich, Victor Abramovich, Tanit Pongsiri
2023 — conf
Toeplitz Inverse Eigenvalue Problem (ToIEP) and Random Matrix Theory (RMT) Support for Calculation of the Toeplitz Covariance Matrix Estimate.
CAMSAP
Yuri I. Abramovich, Tanit Pongsiri
2021 J jnl
Maximum Likelihood Optimization of Adaptive Asynchronous Interference Mitigation Beamformer.
IEEE Trans. Signal Process.
Alexandr M. Kuzminskiy, Yuri I. Abramovich, Pei Xiao, Rahim Tafazolli, Jinliang Huang
2017 Misc conf
Expected Likelihood sphericity test distribution for complex angular central Gaussian data.
ICASSP
Yuri I. Abramovich, Ben A. Johnson, Geoffrey San Antonio
2017 — conf
Operational characteristics of wigner-ville accelerating target detector.
CAMSAP
Yuri I. Abramovich, Geoffrey San Antonio, Stephen T. Mondschein
2016 J jnl
Conditional Expected Likelihood Technique for Compound Gaussian and Gaussian Distributed Noise Mixtures.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Olivier Besson, Ben A. Johnson
2016 J jnl
Direction-of-arrival estimation in a mixture of K-distributed and Gaussian noise.
Signal Process.
Olivier Besson, Yuri I. Abramovich, Ben A. Johnson
2016 J jnl
Expected likelihood approach for determining constraints in covariance estimation.
IEEE Trans. Aerosp. Electron. Syst.
Bosung Kang, Vishal Monga, Muralidhar Rangaswamy, Yuri I. Abramovich
2016 B conf
Spectrum sharing efficiency analysis in rule regulated networks with decentralized occupation control.
PIMRC
Alexandr M. Kuzminskiy, Yuri I. Abramovich, Pei Xiao, Rahim Tafazolli
2016 Misc conf
Uniform expected likelihood solution for interference rejection combining regularization.
ICASSP
Alexandr M. Kuzminskiy, Yuri I. Abramovich, Pei Xiao, Rahim Tafazolli
2015 Misc conf
Aperiodic waveforms with mismatched filtering for target detection in heavy clutter. Part I - SIMO radar architecture.
ICASSP
Yuri I. Abramovich, Geoffrey San Antonio, Gordon J. Frazer
2015 Misc conf
Aperiodicwaveforms with mismatched filtering for target detection in heavy clutter. part II - MIMO radar architecture.
ICASSP
Yuri I. Abramovich, Geoffrey San Antonio, Gordon J. Frazer
2015 J jnl
Bounds for Maximum Likelihood Regular and Non-Regular DoA Estimation in $K$-Distributed Noise.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Olivier Besson, Ben A. Johnson
2015 J jnl
Fluctuating Target Detection in Fluctuating K-Distributed Clutter.
IEEE Signal Process. Lett.
Yuri I. Abramovich, Olivier Besson
2015 J jnl
Introduction to the Issue on Advanced Signal Processing Techniques for Radar Applications.
IEEE J. Sel. Top. Signal Process.
Maria Sabrina Greco, Yuri I. Abramovich, Jean Philippe Ovarlez, Hongbin Li, Xiaopeng Yang
2015 — conf
Maximum likelihood and robust G-music performance in K-distributed noise.
EUSIPCO
Yuri I. Abramovich, Ben A. Johnson, Olivier Besson
2015 J jnl
On the Expected Likelihood Approach for Assessment of Regularization Covariance Matrix.
IEEE Signal Process. Lett.
Yuri I. Abramovich, Olivier Besson
2015 — conf
Oversampled receive array calibration.
EUSIPCO
Yuri I. Abramovich, Geoffrey San Antonio
2015 J jnl
Sensitivity Analysis of Likelihood Ratio Test in K Distributed and/or Gaussian Noise.
IEEE Signal Process. Lett.
Olivier Besson, Yuri I. Abramovich
2015 — conf
Target detection scheme with optimal inter-channel noncoherent data combining.
CAMSAP
Yuri I. Abramovich, Geoffrey San Antonio
2014 J jnl
Adaptive Detection in Elliptically Distributed Noise and Under-Sampled Scenario.
IEEE Signal Process. Lett.
Olivier Besson, Yuri I. Abramovich
2014 J jnl
Bearings-only constant velocity target maneuver detection via expected likelihood.
IEEE Trans. Aerosp. Electron. Syst.
E. Tom Northardt, Igal Bilik, Yuri I. Abramovich
2014 Misc conf
Bi-static MIMO radar operations for range-folded clutter mitigation.
ACSSC
Yuri I. Abramovich, Gordon J. Frazer, Geoffrey San Antonio, Ben A. Johnson
2014 J jnl
Invariance properties of the likelihood ratio for covariance matrix estimation in some complex elliptically contoured distributions.
J. Multivar. Anal.
Olivier Besson, Yuri I. Abramovich
2014 Misc conf
Over-the-horizon Radar potential signal parameter estimation accuracy in harsh sensing environments.
ICASSP
Yuri I. Abramovich, Geoffrey San Antonio
2013 — conf
Aperture varying autoregressive covariance modeling for 2D oversampled receive arrays.
CAMSAP
Yuri I. Abramovich, Geoffrey San Antonio
2013 Misc conf
Covariance matrix estimation in complex elliptic distributions using the expected likelihood approach.
ICASSP
Yuri I. Abramovich, Olivier Besson
2013 Misc conf
Expected likelihood approach for low sample support covariance matrix estimation in angular central Gaussian distributions.
ACSSC
Olivier Besson, Yuri I. Abramovich
2013 — conf
Expected likelihood support for blind SIMO channel identification.
CAMSAP
Yuri I. Abramovich, Ben A. Johnson
2013 J jnl
Expected likelihood support for deterministic maximum likelihood DOA estimation.
Signal Process.
Yuri I. Abramovich, Ben A. Johnson
2013 J jnl
On the Fisher Information Matrix for Multivariate Elliptically Contoured Distributions.
IEEE Signal Process. Lett.
Olivier Besson, Yuri I. Abramovich
2013 J jnl
Principles of Mode-Selective MIMO OTHR.
IEEE Trans. Aerosp. Electron. Syst.
Yuri I. Abramovich, Gordon J. Frazer, Ben A. Johnson
2013 J jnl
Regularized Covariance Matrix Estimation in Complex Elliptically Symmetric Distributions Using the Expected Likelihood Approach - Part 1: The Over-Sampled Case.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Olivier Besson
2013 J jnl
Regularized Covariance Matrix Estimation in Complex Elliptically Symmetric Distributions Using the Expected Likelihood Approach - Part 2: The Under-Sampled Case.
IEEE Trans. Signal Process.
Olivier Besson, Yuri I. Abramovich
2013 J jnl
Spatial Compressive Sensing for Direction-of-Arrival Estimation With Bias Mitigation Via Expected Likelihood.
IEEE Trans. Signal Process.
E. Tom Northardt, Igal Bilik, Yuri I. Abramovich
2013 J jnl
Special issue on Advances in Sensor Array Processing in memory of Alex B. Gershman.
Signal Process.
Marius Pesavento, Yuri I. Abramovich, Fulvio Gini, Nicholas D. Sidiropoulos, Abdelhak M. Zoubir
2012 — conf
Expected likelihood approach for covariance matrix estimation: Complex angular central Gaussian case.
SAM
Yuri I. Abramovich, Ben A. Johnson
2012 — conf
Network theory-based generic model for oversampled receive antenna arrays.
SAM
Yuri I. Abramovich, Geoffrey San Antonio
2012 — conf
Threshold performance for conditional and unconditional direction of arrival estimation.
ACSCC
Yuri I. Abramovich, Ben A. Johnson
2011 Misc conf
Comparative threshold performance study for conditional and unconditional direction-of-arrival estimation.
ICASSP
Yuri I. Abramovich, Ben A. Johnson
2011 J jnl
Detection-estimation of multi-rank Gaussian sources using expected likelihood.
Digit. Signal Process.
Ben A. Johnson, Yuri I. Abramovich, Louis L. Scharf
2011 J jnl
Performance Analysis of Two-Dimensional Parametric STAP for Airborne Radar using KASSPER Data.
IEEE Trans. Aerosp. Electron. Syst.
Yuri I. Abramovich, Muralidhar Rangaswamy, Ben A. Johnson, Phillip M. Corbell, Nicholas K. Spencer
2010 J jnl
DOA estimator performance assessment in the pre-asymptotic domain using the likelihood principle.
Signal Process.
Ben A. Johnson, Yuri I. Abramovich
2010 — conf
Decentralized "good neighbor" DSA based on adaptive antenna array interference mitigation diversity: Finite amount of data effects.
CrownCom
Alexandr M. Kuzminskiy, Yuri I. Abramovich
2010 J jnl
Decentralized dynamic spectrum allocation based on adaptive antenna array interference mitigation diversity.
IEEE Trans. Signal Process.
Alexandr M. Kuzminskiy, Yuri I. Abramovich
2010 J jnl
Detection-estimation of very close emitters: performance breakdown, ambiguity, and general statistical analysis of maximum-likelihood estimation.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Ben A. Johnson
2010 — conf
Expected likelihood for temporally correlated (over-sampled) training data: Experiment results.
EUSIPCO
Scott G. McMillan, Yuri I. Abramovich, Ben A. Johnson
2010 J jnl
Iterative adaptive Kronecker MIMO radar beamformer: description and convergence analysis.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Gordon J. Frazer, Ben A. Johnson
2010 J jnl
Noncausal Adaptive Spatial Clutter Mitigation in Monostatic MIMO Radar: Fundamental Limitations.
IEEE J. Sel. Top. Signal Process.
Yuri I. Abramovich, Gordon J. Frazer, Ben A. Johnson
2010 Misc conf
Performance breakdown prediction for maximum-likelihood DoA estimation.
ICASSP
Yuri I. Abramovich, Ben A. Johnson
2010 Misc conf
Randomized decentralized "good neighbor" DSA based on adaptive antenna array interference mitigation diversity.
ICASSP
Alexandr M. Kuzminskiy, Yuri I. Abramovich
2010 — conf
Transmit and receive antenna array geometries for mode selective HF OTH MIMO radar.
EUSIPCO
Yuri I. Abramovich, Gordon J. Frazer, Ben A. Johnson
2009 — conf
Adaptive Antenna Array Interference Mitigation Diversity for Decentralized Dynamic Spectrum Allocation in License-Exempt Spectrum.
ICC
Alexandr M. Kuzminskiy, Yuri I. Abramovich
2009 Misc conf
Decentralized dynamic spectrum allocation based on adaptive antenna array interference mitigation diversity: Algorithms and Markov chain analysis.
ICASSP
Alexandr M. Kuzminskiy, Yuri I. Abramovich
2009 J jnl
Non-stationary multiple-antenna interference cancellation for unsynchronized OFDM systems with distributed training.
Signal Process.
Alexandr M. Kuzminskiy, Yuri I. Abramovich
2009 Misc conf
Statistical nonidentifiability of close emitters: Maximum-likelihood estimation breakdown and its GSA analysis.
ICASSP
Yuri I. Abramovich, Ben A. Johnson, Nick Spencer
2009 — conf
Statistical nonidentifiability of close emitters: Maximum-likelihood estimation breakdown.
EUSIPCO
Yuri I. Abramovich, Ben A. Johnson, Nicholas K. Spencer
2008 J jnl
Bounds on the Volume and Height Distributions for the MIMO Radar Ambiguity Function.
IEEE Signal Process. Lett.
Yuri I. Abramovich, Gordon J. Frazer
2008 J jnl
GLRT-Based Detection-Estimation for Undersampled Training Conditions.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Ben A. Johnson
2008 — conf
HF skywave MIMO radar: The HILOW experimental program.
ACSCC
Gordon J. Frazer, Yuri I. Abramovich, Ben A. Johnson
2008 — conf
Improving the threshold performance of the estimator bank direction finding techniques using outlier identification and cure.
ISWPC
Pouyan Parvazi, Alex B. Gershman, Yuri I. Abramovich
2008 J jnl
MUSIC, G-MUSIC, and Maximum-Likelihood Performance Breakdown.
IEEE Trans. Signal Process.
Ben A. Johnson, Yuri I. Abramovich, Xavier Mestre
2008 Misc conf
Nonstationary multiple-antenna interference cancellation for unsynchronized OFDM systems with distributed training.
ICASSP
Alexandr M. Kuzminskiy, Yuri I. Abramovich
2008 Misc conf
The role of subspace swap in maximum likelihood estimation performance breakdown.
ICASSP
Ben A. Johnson, Yuri I. Abramovich, Xavier Mestre
2008 Misc conf
The role of subspace swap in music performance breakdown.
ICASSP
Ben A. Johnson, Yuri I. Abramovich, Xavier Mestre
2008 — conf
Theoretical assessment of MIMO radar performance in the presence of discrete and distributed clutter.
ACSCC
Yuri I. Abramovich, Gordon J. Frazer
2008 J jnl
Two-Dimensional Multivariate Parametric Models for Radar Applications - Part I: Maximum-Entropy Extensions for Toeplitz-Block Matrices.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Ben A. Johnson, Nicholas K. Spencer
2008 J jnl
Two-Dimensional Multivariate Parametric Models for Radar Applications - Part II: Maximum-Entropy Extensions for Hermitian-Block Matrices.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Ben A. Johnson, Nicholas K. Spencer
2007 J jnl
A Matrix Extension Built Under-Sampled Likelihood Ratio Test with Application to MUSIC Breakdown Prediction and Cure.
J. Commun.
Ben A. Johnson, Yuri I. Abramovich
2007 — conf
Detecting Outliers in the Estimator Bank-Based Direction Finding Techniques using the Likelihood Ratio Quality Assessment.
ICASSP (2)
Pouyan Parvazi, Alex B. Gershman, Yuri I. Abramovich
2007 — conf
Diagonally Loaded Normalised Sample Matrix Inversion (LNSMI) for Outlier-Resistant Adaptive Filtering.
ICASSP (3)
Yuri I. Abramovich, Nicholas K. Spencer
2007 J jnl
GLRT-Based Threshold Detection-Estimation Performance Improvement and Application to Uniform Circular Antenna Arrays.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
2007 — conf
Glrt-Based Outlier Prediction and Cure in Under-Sampled Training Conditions using a Singular Likelihood Ratio.
ICASSP (2)
Ben A. Johnson, Yuri I. Abramovich
2007 — conf
Interval-Based Maximum Likelihood Benchmark for Adaptive Second-Order Asynchronous CCI Cancellation.
ICASSP (2)
Alexandr M. Kuzminskiy, Yuri I. Abramovich
2007 J jnl
Order Estimation and Discrimination Between Stationary and Time-Varying (TVAR) Autoregressive Models.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Michael D. E. Turley
2007 — conf
Performance Breakdown in Music, G-Music and Maximum Likelihood Estimation.
ICASSP (2)
Yuri I. Abramovich, Ben A. Johnson, Xavier Mestre
2007 — conf
Semi-blind interference cancellation with distributed training.
EUSIPCO
Alexandr M. Kuzminskiy, Yuri I. Abramovich
2007 — conf
Source Power Estimation for Array Processing Applications under Low Sample Size Constraints.
ICASSP (2)
Xavier Mestre, Ben A. Johnson, Yuri I. Abramovich
2007 J jnl
Time-Varying Autoregressive (TVAR) Models for Multiple Radar Observations.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Michael D. E. Turley
2006 — conf
A Modified Likelihood Ratio Test for Detection-Estimation in Under-Sampled Training Conditions.
ICASSP (4)
Yuri I. Abramovich, Ben A. Johnson
2006 — conf
GLRT-based detection-estimation of Gaussian signals in under-sampled training conditions.
EUSIPCO
Ben A. Johnson, Yuri I. Abramovich
2006 J jnl
On correspondence between training-based and semiblind second-order adaptive techniques for mitigation of synchronous CCI.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Alexandr M. Kuzminskiy
2006 J jnl
Second-order asynchronous interference cancellation: Regularized semi-blind technique and non-asymptotic maximum likelihood benchmark.
Signal Process.
Alexandr M. Kuzminskiy, Yuri I. Abramovich
2005 J jnl
Bounds on maximum likelihood ratio-Part II: application to antenna array detection-estimation with imperfect wavefront coherence.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
2004 — conf
Adaptive second-order asynchronous CCI cancellation: maximum likelihood benchmark for regularized semi-blind technique.
ICASSP (4)
Alexandr M. Kuzminskiy, Yuri I. Abramovich
2004 J jnl
Bounds on maximum likelihood ratio-part I: application to antenna array detection-estimation with perfect wavefront coherence.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nick Spencer, Alexei Y. Gorokhov
2004 — conf
Performance analysis of DOA estimation using uniform circular antenna arrays in the threshold region.
ICASSP (2)
Nicholas K. Spencer, Yuri I. Abramovich
2004 — conf
Performance breakdown of subspace-based methods in arbitrary antenna arrays: GLRT-based prediction and cure.
ICASSP (2)
Yuri I. Abramovich, Nick Spencer
2004 J jnl
Two-set adaptive detection-estimation of Gaussian sources in Gaussian noise.
Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Pavel Turcaj
2003 J jnl
Detection-estimation of more uncorrelated Gaussian sources than sensors in nonuniform linear antenna arrays - part III: detection-estimation nonidentifiability.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
2003 J jnl
Detection-estimation of more uncorrelated Gaussian sources than sensors in nonuniform linear antenna arrays. II. Partially augmentable arrays.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
2002 Misc conf
A lower bound for the maximum likelihood ratio: Sparse antenna array applications.
ICASSP
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
2002 — conf
DOA estimation performance breakdown: A new approach to prediction and cure.
EUSIPCO
Yuri I. Abramovich, Nicholas K. Spencer
2001 — conf
Detection nonidentifiability for independent Gaussian sources in nonuniform linear antenna arrays.
ISSPA
Yuri I. Abramovich, Nicholas K. Spencer
2001 J jnl
Detection-estimation of more uncorrelated Gaussian sources than sensors in nonuniform linear antenna arrays .I. Fully augmentable arrays.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
2001 Misc conf
Locally optimal maximum-likelihood estimate of a Toeplitz matrix of given rank.
ICASSP
Yuri I. Abramovich, Nicholas K. Spencer
2000 J jnl
DOA estimation for noninteger linear antenna arrays with more uncorrelated sources than sensors.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
2000 J jnl
Design of Nonuniform Linear Antenna Array Geometry and Signal Processing Algorithm for DOA Estimation of Gaussian Sources.
Digit. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer
2000 — conf
Detection-estimation of more uncorrelated Gaussian sources than sensors using partially augmentable sparse antenna arrays.
EUSIPCO
Yuri I. Abramovich, Nicholas K. Spencer
2000 Misc conf
Stability of manifold ambiguity resolution in DOA estimation with nonuniform linear antenna arrays.
ICASSP
Yuri I. Abramovich, Vladimir Gaitsgory, Nicholas K. Spencer
2000 J jnl
Stochastic-constraints method in nonstationary hot-clutter cancellation. II. Unsupervised training applications.
IEEE Trans. Aerosp. Electron. Syst.
Yuri I. Abramovich, Nicholas K. Spencer, Stuart J. Anderson
1999 Misc conf
Identifiability and manifold ambiguity in DOA estimation for nonuniform linear antenna arrays.
ICASSP
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
1999 — conf
Instability in DOA manifold ambiguity resolution.
ISSPA
Yuri I. Abramovich, Nicholas K. Spencer, Vladimir Gaitsgory
1999 J jnl
Positive-definite Toeplitz completion in DOA estimation for nonuniform linear antenna arrays. II. Partially augmentable arrays.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
1999 J jnl
Resolving manifold ambiguities in direction-of-arrival estimation for nonuniform linear antenna arrays.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
1998 — conf
DOA outlier mitigation for generalised spatial smoothing.
EUSIPCO
Yuri I. Abramovich, Nicholas K. Spencer
1998 Misc conf
Generalised spatial smoothing using partial arrays for multiple target bearing estimation.
ICASSP
Yuri I. Abramovich, Nicholas K. Spencer
1998 Misc conf
Performance of OTH radar array calibration.
ICASSP
I. S. D. Solomon, Yuri I. Abramovich, Douglas A. Gray, Stuart J. Anderson
1998 J jnl
Positive-definite Toeplitz completion in DOA estimation for nonuniform linear antenna arrays. I. Fully augmentable arrays.
IEEE Trans. Signal Process.
Yuri I. Abramovich, Douglas A. Gray, Alexei Y. Gorokhov, Nicholas K. Spencer
1997 Misc conf
Generalised augmentation approach for arbitrary linear antenna arrays.
ICASSP
Yuri I. Abramovich, Nicholas K. Spencer, Alexei Y. Gorokhov
1997 Misc conf
Stochastic constraints in nonstationary hot clutter cancellation.
ICASSP
Stuart J. Anderson, Yuri I. Abramovich, Giuseppe A. Fabrizio
1996 — conf
Ambiguities In Direction-Of-Arrival Estimation for Nonuniform Linear Antenna Arrays.
ISSPA
Yuri I. Abramovich, Douglas A. Gray, Nicholas K. Spencer, Alexei Y. Gorokhov
1996 — conf
Comparison of DOA estimation performance for various types of sparse antenna array geometries.
EUSIPCO
Yuri I. Abramovich, O. A. Gray, Alexei Y. Gorokhov, Nicholas K. Spencer
1996 — conf
Oth Radar Ahttenna Array Calibration Analysis.
ISSPA
I. S. D. Solomon, Yuri I. Abramovich, Douglas A. Gray, Stuart J. Anderson
1996 Misc conf
Positive-definite Toeplitz completion in DOA estimation for fully-augmentable nonuniform linear antenna arrays.
ICASSP
Yuri I. Abramovich, Douglas A. Gray, Alexei Y. Gorokhov, Nicholas K. Spencer
1996 J jnl
Unified analysis of DOA estimation algorithms for covariance matrix transforms.
Signal Process.
Alexei Gorokhov, Yuri I. Abramovich, Johann F. Böhme
1994 — conf
Exterior noise adaptive rejection for OTH radar implementations.
ICASSP (6)
Yuri I. Abramovich, Alexei Gorokhov, V. N. Mikhaylyukov, I. P. Malyavin