Pohrebniak, Liudmyla, and Mykola Naumenko. 2017. “Method of Adaptive Spatial Coding of Signals for Non-Stationary Frequency-Selective Channels of Wireless Communication”. Collection "Information Technology and Security" 5 (2):153-65. https://doi.org/10.20535/2411-1031.2017.5.2.136991.