%0 Journal Article
%A È. I. Grudo
%T The solutions of a certain equation with periodic coefficients
%J Differencialʹnye uravneniâ
%D 1969
%P 296-304
%V 5
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1969_5_2_a7/
%G ru
%F DE_1969_5_2_a7