%0 Journal Article %A A. S. Dolgov %T Explicit solutions of certain difference approximations of the heat equation %J Differencialʹnye uravneniâ %D 1971 %P 2091-2093 %V 7 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1971_7_11_a18/ %G ru %F DE_1971_7_11_a18