TY - JOUR AU - Ketkar, R. D. AU - Vanaja, N. TI - R -Projective Modules over a Semiperfect Ring JO - Canadian mathematical bulletin PY - 1981 SP - 365 EP - 367 VL - 24 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-055-x/ DO - 10.4153/CMB-1981-055-x ID - 10_4153_CMB_1981_055_x ER -