%0 Journal Article %A A. A. Samarskii %T An accurate high-order difference system for a heat conductivity equation with several space variables %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1964 %P 161-165 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1964_4_1_a16/ %G ru %F ZVMMF_1964_4_1_a16