TY - JOUR AU - Rhemtulla, A. H. AU - Smith, H. TI - A Finite Index Property of Certain Solvable Groups JO - Canadian mathematical bulletin PY - 1984 SP - 485 EP - 489 VL - 27 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1984-077-3/ DO - 10.4153/CMB-1984-077-3 ID - 10_4153_CMB_1984_077_3 ER -