TY - JOUR AU - N. I. Samedov TI - On the solvability of a boundary value problem in space for a quasi-linear system of fourth order equations of mixed type JO - Doklady Akademii Nauk PY - 1976 SP - 785 EP - 788 VL - 230 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_230_4_a8/ LA - ru ID - DAN_1976_230_4_a8 ER -