TY - JOUR AU - Burgess, W. D. TI - A Characterization of Biregular Group Rings JO - Canadian mathematical bulletin PY - 1978 SP - 119 EP - 120 VL - 21 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-020-8/ DO - 10.4153/CMB-1978-020-8 ID - 10_4153_CMB_1978_020_8 ER -