Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1998_63_6_a2, author = {E. P. Dolzhenko}, title = {On boundary properties of the components of polyharmonic functions}, journal = {Matemati\v{c}eskie zametki}, pages = {821--834}, publisher = {mathdoc}, volume = {63}, number = {6}, year = {1998}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1998_63_6_a2/} }
E. P. Dolzhenko. On boundary properties of the components of polyharmonic functions. Matematičeskie zametki, Tome 63 (1998) no. 6, pp. 821-834. http://geodesic.mathdoc.fr/item/MZM_1998_63_6_a2/