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@article{MAN_1889__33_157415, author = {Pochhammer}, title = {Ueber gewisse partielle {Differentialgleichungen,} denen hypergeometrische {Integrale} gen\"ugen}, journal = {Mathematische Annalen}, pages = {353--371}, publisher = {mathdoc}, volume = {33}, year = {1889}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MAN_1889__33_157415/} }
Pochhammer. Ueber gewisse partielle Differentialgleichungen, denen hypergeometrische Integrale genügen. Mathematische Annalen, Tome 33 (1889), pp. 353-371. http://geodesic.mathdoc.fr/item/MAN_1889__33_157415/