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@article{MAN_1980__248_163384, author = {Harold P. Boas}, title = {A {Geometrie} {Characterization} of the {Ball} and the {Bochner-Martinelli} {Kernel.}}, journal = {Mathematische Annalen}, pages = {275--278}, publisher = {mathdoc}, volume = {248}, year = {1980}, zbl = {0414.32002}, url = {http://geodesic.mathdoc.fr/item/MAN_1980__248_163384/} }
Harold P. Boas. A Geometrie Characterization of the Ball and the Bochner-Martinelli Kernel.. Mathematische Annalen, Tome 248 (1980), pp. 275-278. http://geodesic.mathdoc.fr/item/MAN_1980__248_163384/