TY - JOUR AU - V. P. Burlachenko AU - N. I. Sidenko TI - The approximation, by the method of V.\,K.~Dzjadyk, of solutions of problems for equations of hyperbolic type JO - Differencialʹnye uravneniâ PY - 1976 SP - 857 EP - 864 VL - 12 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1976_12_5_a7/ LA - ru ID - DE_1976_12_5_a7 ER -