**Download PDF : Non-arithmetic groups in Lobatchevski spaces**

Non-arithmetic groups in Lobatchevski spaces,

*(with I. Piatetski-shapiro) Publ. Math. IHÉS 66 (1988), 93-103.*

**Download PDF : Non-arithmetic groups in Lobatchevski spaces**

Non-arithmetic groups in Lobatchevski spaces,

*(with I. Piatetski-shapiro) Publ. Math. IHÉS 66 (1988), 93-103.*