TY - JOUR AU - G. I. Chandirov TI - Investigation of a weak solution of a mixed problem for a hyperbolic equation with nonlinear part JO - Doklady Akademii Nauk PY - 1968 SP - 51 EP - 54 VL - 178 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1968_178_1_a12/ LA - ru ID - DAN_1968_178_1_a12 ER -