TY - JOUR AU - Jain, S. K. AU - López-Permouth, S. R. AU - Oshiro, K. AU - Saleh, M. A. TI - Weakly Projective and Weakly Injective Modules JO - Canadian journal of mathematics PY - 1994 SP - 971 EP - 981 VL - 46 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1994-055-9/ DO - 10.4153/CJM-1994-055-9 ID - 10_4153_CJM_1994_055_9 ER -