TY - JOUR AU - Hardy, G. E. AU - Subbarao, M. V. TI - Semi-r Free and r-Free Integers-a Unified Approach: Corrigendum and Addendum JO - Canadian mathematical bulletin PY - 1984 SP - 523 EP - 523 VL - 27 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1984-084-8/ DO - 10.4153/CMB-1984-084-8 ID - 10_4153_CMB_1984_084_8 ER -