%0 Journal Article %A I. A. Gulyashchikh %T Neumann problem for polyharmonic equation in the unit ball %J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika %D 2015 %P 70-72 %V 7 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VYURM_2015_7_2_a8/ %G ru %F VYURM_2015_7_2_a8