TY - JOUR AU - A. A. Zlotnik TI - A projection-difference scheme for the vibrating-string equation JO - Doklady Akademii Nauk PY - 1979 SP - 292 EP - 295 VL - 245 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1979_245_2_a3/ LA - ru ID - DAN_1979_245_2_a3 ER -