TY - JOUR AU - Jørgensen, Troels TI - Comments On a Discreteness Condition for Subgroups of SL(2, C) JO - Canadian journal of mathematics PY - 1979 SP - 87 EP - 92 VL - 31 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-010-5/ DO - 10.4153/CJM-1979-010-5 ID - 10_4153_CJM_1979_010_5 ER -