@article{BAG_1988__26_138389,
     author = {M. Ezzeldin},
     title = {Untersuchung spezieller {Idealverb\"ande}},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {13--42},
     year = {1988},
     volume = {26},
     url = {http://geodesic.mathdoc.fr/item/BAG_1988__26_138389/}
}