TY - JOUR AU - Nicholson, W. K. AU - Waiters, J. F. AU - Zelmanowitz, J. M. TI - On Extensions of Weakly Primitive Rings JO - Canadian journal of mathematics PY - 1980 SP - 937 EP - 944 VL - 32 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1980-071-6/ DO - 10.4153/CJM-1980-071-6 ID - 10_4153_CJM_1980_071_6 ER -