TY  - JOUR
AU  - Borel, Armand
AU  - Prasad, Gopal
TI  - Values of isotropic quadratic forms at $S$-integral points
JO  - Compositio Mathematica
PY  - 1992
SP  - 347
EP  - 372
VL  - 83
IS  - 3
PB  - Kluwer Academic Publishers
UR  - http://www.numdam.org/item/CM_1992__83_3_347_0/
LA  - en
ID  - CM_1992__83_3_347_0
ER  -