TY - JOUR AU - A. B. Bazarbekov AU - T. Sh. Kal'menov TI - A criterion for strong solvability of the Tricomi problem for the Lavrent’ev--Bitsadze equation JO - Doklady Akademii Nauk PY - 1981 SP - 265 EP - 268 VL - 261 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1981_261_2_a0/ LA - ru ID - DAN_1981_261_2_a0 ER -