TY - JOUR AU - I. E. Pleshchinskaya TI - The boundary value problem M for a system of equations of mixed type JO - Trudy seminara po kraevym zadačam PY - 1982 SP - 138 EP - 144 VL - 18 IS - 18 UR - http://geodesic.mathdoc.fr/item/KUKZ_1982_18_18_a16/ LA - ru ID - KUKZ_1982_18_18_a16 ER -