TY - JOUR AU - M. I. Vishik AU - G. I. Èskin TI - Normally solvable problems for elliptic systems of equations in convolutions JO - Sbornik. Mathematics PY - 1967 SP - 303 EP - 332 VL - 3 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1967_3_3_a0/ LA - en ID - SM_1967_3_3_a0 ER -