%0 Journal Article
%A F. A. Gadzhiev
%T Functions of four variables on the three-dimensional sphere, which are not representable as a superposition of functions of a smaller number of variables
%J Doklady Akademii Nauk
%D 1986
%P 785-788
%V 289
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1986_289_4_a2/
%G ru
%F DAN_1986_289_4_a2