Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1971_7_1_a7, author = {V. I. Polovinkin}, title = {Exterior {Dirichlet} and {Neumann} problems for the polyharmonic equation}, journal = {Differencialʹnye uravneni\^a}, pages = {64--72}, publisher = {mathdoc}, volume = {7}, number = {1}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1971_7_1_a7/} }
V. I. Polovinkin. Exterior Dirichlet and Neumann problems for the polyharmonic equation. Differencialʹnye uravneniâ, Tome 7 (1971) no. 1, pp. 64-72. http://geodesic.mathdoc.fr/item/DE_1971_7_1_a7/