%0 Journal Article %A Eskin, Alex %A Margulis, Gregory %A Mozes, Shahar %T On a quantitative version of the Oppenheim conjecture %J Electronic research announcements of the American Mathematical Society %D 1995 %P 124-130 %V 01 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S1079-6762-95-03006-X/ %R 10.1090/S1079-6762-95-03006-X %F ERAAMS_1995_01_3_a5