@article{10_14708_cm_v24i2_6100,
     author = {J. Hausen},
     title = {On characterizations of semi-simple and semi-local rings by properties of their modules},
     journal = {Commentationes Mathematicae},
     pages = { 277--280},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {1984},
     doi = {10.14708/cm.v24i2.6100},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v24i2.6100/}
}