TY - JOUR AU - A. P. Soldatov TI - Dirichlet-type problems for the Lavrent'ev--Bitsadze equation. I.~Uniqueness theorems JO - Doklady Akademii Nauk PY - 1993 SP - 696 EP - 698 VL - 332 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1993_332_6_a5/ LA - ru ID - DAN_1993_332_6_a5 ER -