TY - JOUR AU - A. S. Fokht TI - Estimation in the $L_2$ metric of the derivatives of the solutions of linear nonhomogeneous equations of elliptic type and arbitrary order near the boundary of the domain JO - Differencialʹnye uravneniâ PY - 1972 SP - 1242 EP - 1255 VL - 8 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1972_8_7_a10/ LA - ru ID - DE_1972_8_7_a10 ER -