TY - JOUR AU - I. E. Pleshchinskaya TI - An effective solution of the Tricomi problem for a system of mixed type JO - Trudy seminara po kraevym zadačam PY - 1978 SP - 108 EP - 116 VL - 15 IS - 15 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KUKZ_1978_15_15_a14/ LA - ru ID - KUKZ_1978_15_15_a14 ER -