TY - JOUR AU - R. M. Ganeev TI - A problem of Tricomi type for systems of equations of mixed type JO - Trudy seminara po kraevym zadačam PY - 1977 SP - 53 EP - 61 VL - 14 IS - 14 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KUKZ_1977_14_14_a5/ LA - ru ID - KUKZ_1977_14_14_a5 ER -