TY - JOUR AU - A. S. Fokht TI - A certain estimate of a polyharmonic function and its derivatives near the boundary of the domain. I JO - Differencialʹnye uravneniâ PY - 1968 SP - 1265 EP - 1282 VL - 4 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1968_4_7_a10/ LA - ru ID - DE_1968_4_7_a10 ER -