@article{00918339, title = {On a quantitative version of the Oppenheim conjecture.}, journal = {Electronic Research Announcements of the American Mathematical Society [electronic only]}, volume = {1}, year = {1995}, pages = {124-130}, doi = {10.1090/S1079-6762-95-03006-X}, zbl = {0859.11043}, language = {en}, url = {http://dml.mathdoc.fr/item/00918339} }
Eskin, Alex; Margulis, Gregory; Mozes, Shahar. On a quantitative version of the Oppenheim conjecture.. Electronic Research Announcements of the American Mathematical Society [electronic only], Tome 1 (1995) pp. 124-130. doi : 10.1090/S1079-6762-95-03006-X. http://gdmltest.u-ga.fr/item/00918339/