@article{MZ_1978__162_172721,
     author = {Robert Wisbauer},
     title = {...-semiperfekte und ...-perfekte {Moduln.}},
     journal = {Mathematische Zeitschrift},
     pages = {131--138},
     year = {1978},
     volume = {162},
     zbl = {0368.16011},
     url = {http://geodesic.mathdoc.fr/item/MZ_1978__162_172721/}
}