TY - JOUR AU - V. I. Polovinkin TI - Exterior Dirichlet and Neumann problems for the polyharmonic equation JO - Differencialʹnye uravneniâ PY - 1971 SP - 64 EP - 72 VL - 7 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1971_7_1_a7/ LA - ru ID - DE_1971_7_1_a7 ER -