TY - JOUR AU - I. V. Fryazinov TI - Economical symmetrization schemes for solving boundary value problems for a multi-dimensional equation of parabolic type JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1968 SP - 436 EP - 443 VL - 8 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1968_8_2_a16/ LA - ru ID - ZVMMF_1968_8_2_a16 ER -