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@article{DAN_1986_289_1_a2, author = {I. M. Gel'fand and M. I. Graev}, title = {A duality theorem for general hypergeometric functions}, journal = {Doklady Akademii Nauk}, pages = {19--23}, publisher = {mathdoc}, volume = {289}, number = {1}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1986_289_1_a2/} }
I. M. Gel'fand; M. I. Graev. A duality theorem for general hypergeometric functions. Doklady Akademii Nauk, Tome 289 (1986) no. 1, pp. 19-23. http://geodesic.mathdoc.fr/item/DAN_1986_289_1_a2/