TY - JOUR AU - A. B. Bazarbekov TI - Smoothness of the solution of the Tricomi problem for equations of mixed type JO - Differencialʹnye uravneniâ PY - 1989 SP - 816 EP - 822 VL - 25 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1989_25_5_a10/ LA - ru ID - DE_1989_25_5_a10 ER -