TY - JOUR AU - Liriano, Sal TI - A New Proof of a Theoremof Magnus JO - Canadian mathematical bulletin PY - 1997 SP - 352 EP - 355 VL - 40 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1997-041-1/ DO - 10.4153/CMB-1997-041-1 ID - 10_4153_CMB_1997_041_1 ER -