TY - JOUR AU - O. E. Yaremko TI - A~generalization of the Poisson integral formula for the functions harmonic and biharmonic in a~ball JO - Matematičeskie trudy PY - 2013 SP - 189 EP - 197 VL - 16 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MT_2013_16_1_a9/ LA - ru ID - MT_2013_16_1_a9 ER -