%0 Journal Article %A N. N. Yanenko %A Yu. E. Boyarintsev %T Convergence of difference schemes for the heat equation with variable coefficients %J Doklady Akademii Nauk %D 1961 %P 1322-1324 %V 139 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_139_6_a12/ %G ru %F DAN_1961_139_6_a12