%0 Journal Article
%A N. E. Bol'shakov
%T The role of Perron's non-regularity coefficient in the detection of stability of two-dimensional systems with respect to the first approximation
%J Differencialʹnye uravneniâ
%D 1973
%P 363-365
%V 9
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1973_9_2_a20/
%G ru
%F DE_1973_9_2_a20