%0 Journal Article
%A V. M. Ivanov
%T Estimation of quality of non-stationary systems on the return frequency characteristic plane
%J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
%D 2019
%P 207-216
%V 19
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ISU_2019_19_2_a6/
%G ru
%F ISU_2019_19_2_a6