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@article{FORUM_1991__3_2_186399, author = {Greg W. Anderson}, title = {A {Short} {Proof} of {Selberg's} {Generalized} {Beta} {Formula.}}, journal = {Forum mathematicum}, pages = {415--418}, publisher = {mathdoc}, volume = {3}, number = {2}, year = {1991}, zbl = {0723.33002}, url = {http://geodesic.mathdoc.fr/item/FORUM_1991__3_2_186399/} }
Greg W. Anderson. A Short Proof of Selberg's Generalized Beta Formula.. Forum mathematicum, Tome 3 (1991) no. 2, pp. 415-418. http://geodesic.mathdoc.fr/item/FORUM_1991__3_2_186399/