TY - JOUR AU - T. V. Chekmarev TI - Formulas for the solution of the Tricomi problem for the Lavrent'ev--Bitsadze system JO - Differencialʹnye uravneniâ PY - 1994 SP - 1828 EP - 1829 VL - 30 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1994_30_10_a23/ LA - ru ID - DE_1994_30_10_a23 ER -