TY - JOUR AU - Beauregard, Raymond A. TI - On the Inversion of Right Invariant Elements JO - Canadian mathematical bulletin PY - 1975 SP - 289 EP - 290 VL - 18 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-054-x/ DO - 10.4153/CMB-1975-054-x ID - 10_4153_CMB_1975_054_x ER -