%0 Journal Article
%A V. S. Ermolin
%A T. V. Vlasova
%T Lyapunov's first method: estimates of characteristic numbers of functional matrices
%J Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ
%D 2019
%P 442-456
%V 15
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VSPUI_2019_15_4_a2/
%G en
%F VSPUI_2019_15_4_a2