TY - JOUR AU - R. S. Saks TI - Boundary value problems for certain systems that are reducible to elliptic systems JO - Doklady Akademii Nauk PY - 1973 SP - 1067 EP - 1070 VL - 212 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1973_212_5_a10/ LA - ru ID - DAN_1973_212_5_a10 ER -