TY - JOUR AU - A. B. Aliev TI - Unilateral problems for quasilinear hyperbolic operators in function spaces JO - Doklady Akademii Nauk PY - 1987 SP - 271 EP - 275 VL - 297 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1987_297_2_a1/ LA - ru ID - DAN_1987_297_2_a1 ER -