%0 Journal Article
%A Borel, Armand
%A Prasad, Gopal
%T Values of isotropic quadratic forms at $S$-integral points
%J Compositio Mathematica
%D 1992
%P 347-372
%V 83
%N 3
%I Kluwer Academic Publishers
%U http://www.numdam.org/item/CM_1992__83_3_347_0/
%G en
%F CM_1992__83_3_347_0