%0 Journal Article %A I. M. Gel'fand %A M. I. Graev %T Hypergeometric functions associated with the Grassmannian $G_{3,6}$ %J Sbornik. Mathematics %D 1990 %P 1-40 %V 66 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1990_66_1_a0/ %G en %F SM_1990_66_1_a0