%0 Journal Article
%A È. A. Tikhonova
%T Similarity and homeomorphism of a perturbed and an unperturbed system with block-triangular matrix
%J Differencialʹnye uravneniâ
%D 1970
%P 1221-1229
%V 6
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1970_6_7_a8/
%G ru
%F DE_1970_6_7_a8