TY - JOUR AU - È. L. Кulikov AU - V. Ph. Kirichenko TI - On the estimation of the classical solution of a mixed problem for a hyperbolic equation JO - Differencialʹnye uravneniâ PY - 1978 SP - 1448 EP - 1454 VL - 14 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1978_14_8_a9/ LA - ru ID - DE_1978_14_8_a9 ER -