@article{GDZPPN002106914, title = {Values of quadratic forms at primitive integral points.}, journal = {Inventiones mathematicae}, volume = {96}, year = {1989}, pages = {405-424}, zbl = {0682.22008}, url = {http://dml.mathdoc.fr/item/GDZPPN002106914} }
Margulis, G.A.; Dani, S.G. Values of quadratic forms at primitive integral points.. Inventiones mathematicae, Tome 96 (1989) pp. 405-424. http://gdmltest.u-ga.fr/item/GDZPPN002106914/