@article{MAN_1971__193_182709,
     author = {Friedrich ISCHEBECK},
     title = {Die {Zentren} heredit\"arer {Ringe.}},
     journal = {Mathematische Annalen},
     pages = {83--88},
     year = {1971},
     volume = {193},
     zbl = {0217.33702},
     url = {http://geodesic.mathdoc.fr/item/MAN_1971__193_182709/}
}