%0 Journal Article
%A V. N. Laptinskii
%T Linear systems with periodic coefficients
%J Differencialʹnye uravneniâ
%D 1975
%P 1899-1901
%V 11
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1975_11_10_a24/
%G ru
%F DE_1975_11_10_a24