%0 Journal Article
%A I. M. Gel'fand
%A M. I. Graev
%T $GG$-functions of several variables and their connection with

%J Doklady Akademii Nauk
%D 1997
%P 583-586
%V 354
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1997_354_5_a0/
%G ru
%F DAN_1997_354_5_a0