TY - JOUR AU - M. V. Borsuk TI - A priori estimates and solvability of second-order quasilinear elliptic equations in a composite region with nonlinear boundary and conjugacy condition JO - Doklady Akademii Nauk PY - 1967 SP - 991 EP - 994 VL - 177 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_177_5_a0/ LA - ru ID - DAN_1967_177_5_a0 ER -