%0 Journal Article %A I. M. Gel'fand %A M. I. Graev %T A duality theorem for general hypergeometric functions %J Doklady Akademii Nauk %D 1986 %P 19-23 %V 289 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_289_1_a2/ %G ru %F DAN_1986_289_1_a2