%0 Journal Article %A Valery V. Karachik %T Polynomial solutions to Dirihlet boundary value problem for the $3$-harmonic equation in a~ball %J Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika %D 2012 %P 527-546 %V 5 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JSFU_2012_5_4_a9/ %G ru %F JSFU_2012_5_4_a9