TY - JOUR AU - R. S. Saks TI - The Dirichlet problem for the elliptic system of A.\,V.~Bicadze with lower derivatives JO - Differencialʹnye uravneniâ PY - 1971 SP - 121 EP - 134 VL - 7 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1971_7_1_a13/ LA - ru ID - DE_1971_7_1_a13 ER -