TY - JOUR AU - Yu. A. Dubinskii TI - On a nonlinear problem of Zaremba type for a hyperbolic equation JO - Doklady Akademii Nauk PY - 1971 SP - 519 EP - 522 VL - 200 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1971_200_3_a3/ LA - ru ID - DAN_1971_200_3_a3 ER -