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@article{DAN_1974_214_5_a14, author = {B. K. Pchelin}, title = {On the singularities of polyharmonic functions}, journal = {Doklady Akademii Nauk}, pages = {1035--1037}, publisher = {mathdoc}, volume = {214}, number = {5}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_214_5_a14/} }
B. K. Pchelin. On the singularities of polyharmonic functions. Doklady Akademii Nauk, Tome 214 (1974) no. 5, pp. 1035-1037. http://geodesic.mathdoc.fr/item/DAN_1974_214_5_a14/