%0 Journal Article %A A. F. Klement'ev %T Improvement of the conditions for the stability of difference schemes of increased accuracy for the heat equation by the ``vanishing viscosity'' method %J Differencialʹnye uravneniâ %D 1972 %P 1316-1319 %V 8 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1972_8_7_a20/ %G ru %F DE_1972_8_7_a20