TY - JOUR AU - V. V. Ostapenko TI - Approximation of conservation laws by difference schemes of double JO - Doklady Akademii Nauk PY - 1990 SP - 1348 EP - 1352 VL - 313 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1990_313_6_a15/ LA - ru ID - DAN_1990_313_6_a15 ER -