TY - JOUR AU - V. A. Kondratiev TI - The smoothness of the solution of the Dirichlet problem for second order elliptic equations in a piecewise smooth domain JO - Differencialʹnye uravneniâ PY - 1970 SP - 1831 EP - 1843 VL - 6 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1970_6_10_a10/ LA - ru ID - DE_1970_6_10_a10 ER -