TY - JOUR AU - A. P. Soldatov TI - Dirichlet-type problems for the Lavrent'ev--Bitsadze equation. II.~Existence theorems JO - Doklady Akademii Nauk PY - 1993 SP - 16 EP - 18 VL - 333 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1993_333_1_a4/ LA - ru ID - DAN_1993_333_1_a4 ER -