TY - JOUR AU - A. A. Samarskii TI - Necessary and sufficient conditions for the stability of double layer difference schemes JO - Doklady Akademii Nauk PY - 1968 SP - 808 EP - 811 VL - 181 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1968_181_4_a10/ LA - ru ID - DAN_1968_181_4_a10 ER -