%0 Journal Article %A O. E. Yaremko %T A generalization of the Poisson integral formula for the functions harmonic and biharmonic in a ball %J Matematičeskie trudy %D 2013 %P 189-197 %V 16 %N 1 %U http://geodesic.mathdoc.fr/item/MT_2013_16_1_a9/ %G ru %F MT_2013_16_1_a9