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@article{DAN_1993_328_6_a0, author = {I. M. Gel'fand and M. I. Graev}, title = {$GG$-functions}, journal = {Doklady Akademii Nauk}, pages = {645--648}, publisher = {mathdoc}, volume = {328}, number = {6}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1993_328_6_a0/} }
I. M. Gel'fand; M. I. Graev. $GG$-functions. Doklady Akademii Nauk, Tome 328 (1993) no. 6, pp. 645-648. http://geodesic.mathdoc.fr/item/DAN_1993_328_6_a0/