%0 Journal Article %A A. S. Fokht %T A certain estimate of a polyharmonic function and its derivatives near the boundary of the domain. II %J Differencialʹnye uravneniâ %D 1968 %P 1509-1518 %V 4 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1968_4_8_a14/ %G ru %F DE_1968_4_8_a14