@article{MZ_1960__74_169867,
     author = {Albrecht Fr\"ohlich},
     title = {Ideals in an extension field as modules over the algebraic integers in a finite number field.},
     journal = {Mathematische Zeitschrift},
     pages = {29--38},
     publisher = {mathdoc},
     volume = {74},
     year = {1960},
     zbl = {0098.03401},
     url = {http://geodesic.mathdoc.fr/item/MZ_1960__74_169867/}
}