TY - JOUR AU - A. A. Samarskii TI - Additivity principle for the construction of efficient difference schemes JO - Doklady Akademii Nauk PY - 1965 SP - 1253 EP - 1256 VL - 165 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1965_165_6_a8/ LA - ru ID - DAN_1965_165_6_a8 ER -