%0 Journal Article
%A Yu. S. Kolesov
%T A criterion for the existence of periodic solutions of parabolic equations
%J Doklady Akademii Nauk
%D 1966
%P 1013-1015
%V 170
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1966_170_5_a4/
%G ru
%F DAN_1966_170_5_a4