TY - JOUR AU - J. Hausen TI - On characterizations of semi-simple and semi-local rings by properties of their modules JO - Commentationes Mathematicae PY - 1984 SP - 277 EP - 280 VL - 24 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v24i2.6100/ DO - 10.14708/cm.v24i2.6100 LA - pl ID - 10_14708_cm_v24i2_6100 ER -