TY - JOUR AU - N. N. Frolov TI - On the Dirichlet problem for an elliptic operator in a cylindrical domain of Hilbert space JO - Sbornik. Mathematics PY - 1973 SP - 423 EP - 438 VL - 21 IS - 3 UR - http://geodesic.mathdoc.fr/item/SM_1973_21_3_a4/ LA - en ID - SM_1973_21_3_a4 ER -