%0 Journal Article %A I. V. Fryazinov %T Economical symmetrization schemes for solving boundary value problems for a multi-dimensional equation of parabolic type %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1968 %P 436-443 %V 8 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1968_8_2_a16/ %G ru %F ZVMMF_1968_8_2_a16