@article{MZ_1975__144_172247,
     author = {Torgny Svanes},
     title = {Some {Criteria} for {Rigidity} of {Noetherian} {Rings.}},
     journal = {Mathematische Zeitschrift},
     pages = {135--146},
     year = {1975},
     volume = {144},
     zbl = {0314.14017},
     url = {http://geodesic.mathdoc.fr/item/MZ_1975__144_172247/}
}