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@article{DAN_1970_194_6_a7, author = {V. I. Polovinkin}, title = {Exterior problems for the polyharmonic equation}, journal = {Doklady Akademii Nauk}, pages = {1273--1276}, publisher = {mathdoc}, volume = {194}, number = {6}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1970_194_6_a7/} }
V. I. Polovinkin. Exterior problems for the polyharmonic equation. Doklady Akademii Nauk, Tome 194 (1970) no. 6, pp. 1273-1276. http://geodesic.mathdoc.fr/item/DAN_1970_194_6_a7/