TY - JOUR AU - T. V. Chekmarev TI - The Tricomi problem in a domain bounded by arcs of characteristics and by half lines which are perpendicular to the line of degeneracy JO - Differencialʹnye uravneniâ PY - 1983 SP - 1965 EP - 1971 VL - 19 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1983_19_11_a18/ LA - ru ID - DE_1983_19_11_a18 ER -