Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS2_1961__9_165774, author = {N.O. Wallin}, title = {A {Problem} for {Elliptic} {Partial} {Differential} {Operators} {Defined} on an {Arbitrary} {Open} {Set.}}, journal = {Mathematica Scandinavica}, pages = {185--196}, publisher = {mathdoc}, volume = {9}, year = {1961}, zbl = {0118.31102}, url = {http://geodesic.mathdoc.fr/item/MS2_1961__9_165774/} }
N.O. Wallin. A Problem for Elliptic Partial Differential Operators Defined on an Arbitrary Open Set.. Mathematica Scandinavica, Tome 9 (1961), pp. 185-196. http://geodesic.mathdoc.fr/item/MS2_1961__9_165774/