%0 Journal Article
%A V. L. Rabtsevich
%T Necessary and sufficient conditions for formal reducibility
%J Differencialʹnye uravneniâ
%D 1985
%P 2006-2007
%V 21
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1985_21_11_a23/
%G ru
%F DE_1985_21_11_a23