%0 Journal Article %A A. B. Vasil'eva %A V.T. Volkov %T Periodic solutions of a singularly perturbed equation of parabolic %J Doklady Akademii Nauk %D 1985 %P 15-19 %V 285 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_285_1_a1/ %G ru %F DAN_1985_285_1_a1