@article{ERAAMS_1995_01_3_a5, author = {Eskin, Alex and Margulis, Gregory and Mozes, Shahar}, title = {On a quantitative version of the {Oppenheim} conjecture}, journal = {Electronic research announcements of the American Mathematical Society}, pages = {124--130}, publisher = {mathdoc}, volume = {01}, number = {3}, year = {1995}, doi = {10.1090/S1079-6762-95-03006-X}, url = {http://geodesic.mathdoc.fr/articles/10.1090/S1079-6762-95-03006-X/} }