Azarskov, Valerij, Leonid Zhiteckii, and Klavdiia Solovchuk. 2014. “DISCRETE-TIME CONTROL OF LINEAR MULTIVARIABLE SYSTEMS WITH EITHER SINGULAR OR ILL-CONDITIONED TRANSFER FUNCTION MATRICES”. Proceedings of National Aviation University 59 (2):19-27. https://doi.org/10.18372/2306-1472.59.6769.