TY - JOUR AU - I. V. Fryazinov TI - Economic schemes for increasing the order of accuracy when solving multidimensional parabolic equations JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1969 SP - 1316 EP - 1326 VL - 9 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1969_9_6_a7/ LA - ru ID - ZVMMF_1969_9_6_a7 ER -