%0 Journal Article %A Yu. P. Gor'kov %T Periodic solutions of parabolic equations %J Differencialʹnye uravneniâ %D 1966 %P 943-952 %V 2 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1966_2_7_a8/ %G ru %F DE_1966_2_7_a8