TY - JOUR TI - On Semiperfect Modules JO - Canadian mathematical bulletin PY - 1975 SP - 77 EP - 80 VL - 18 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-014-4/ DO - 10.4153/CMB-1975-014-4 ID - 10_4153_CMB_1975_014_4 ER -