%0 Journal Article
%A È. I. Grudo
%T Necessary and sufficient conditions for the existence of periodic solutions of linear inhomogeneous periodic Pfaffian systems
%J Differencialʹnye uravneniâ
%D 1988
%P 2052-2056
%V 24
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1988_24_12_a4/
%G ru
%F DE_1988_24_12_a4