TY - JOUR AU - Lacroix, Norbert H. J. TI - Two-Dimensional Linear Groups Over Local Rings JO - Canadian journal of mathematics PY - 1969 SP - 106 EP - 135 VL - 21 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-011-8/ DO - 10.4153/CJM-1969-011-8 ID - 10_4153_CJM_1969_011_8 ER -