TY - JOUR AU - V. I. Zhegalov TI - On problems with shifts for equations of mixed type JO - Trudy seminara po kraevym zadačam PY - 1980 SP - 63 EP - 73 VL - 17 IS - 17 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KUKZ_1980_17_17_a7/ LA - ru ID - KUKZ_1980_17_17_a7 ER -