%0 Journal Article %A V. A. Dorodnitsyn %A I. V. Knyazeva %A S. R. Svirshchevskii %T Group properties of the heat equation with source in the two-dimensional and three-dimensional cases %J Differencialʹnye uravneniâ %D 1983 %P 1215-1223 %V 19 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_7_a12/ %G ru %F DE_1983_19_7_a12