TY - JOUR AU - Yaqub, Adil TI - A Generalization of Certain Rings of A. L. Foster JO - Canadian mathematical bulletin PY - 1963 SP - 55 EP - 60 VL - 6 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1963-008-4/ DO - 10.4153/CMB-1963-008-4 ID - 10_4153_CMB_1963_008_4 ER -