TY - JOUR AU - A. S. Fokht TI - A certain estimate of a polyharmonic function and its derivatives near the boundary of the domain. II JO - Differencialʹnye uravneniâ PY - 1968 SP - 1509 EP - 1518 VL - 4 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1968_4_8_a14/ LA - ru ID - DE_1968_4_8_a14 ER -