TY - JOUR AU - E. G. D'yakonov TI - Difference systems of second order accuracy with a divided operator for parabolic equations without mixed derivatives JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1964 SP - 935 EP - 941 VL - 4 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1964_4_5_a15/ LA - ru ID - ZVMMF_1964_4_5_a15 ER -