TY - JOUR AU - Osterburg, James TI - The coefficient ring of the skew group ring JO - Czechoslovak Mathematical Journal PY - 1979 SP - 144 EP - 147 VL - 29 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1979.101587/ DO - 10.21136/CMJ.1979.101587 LA - en ID - 10_21136_CMJ_1979_101587 ER -