%0 Journal Article %A I. V. Fryazinov %T Economic schemes for increasing the order of accuracy when solving multidimensional parabolic equations %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1969 %P 1316-1326 %V 9 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1969_9_6_a7/ %G ru %F ZVMMF_1969_9_6_a7