@article{GDZPPN002290820,
title = {On the theory of orders, in particular on the semigroup of ideal classes and genera of an order in an algebraic number field.},
journal = {Mathematische Annalen},
volume = {146},
year = {1962},
pages = {31-64},
zbl = {0113.26504},
url = {http://dml.mathdoc.fr/item/GDZPPN002290820}
}
Zassenhaus, H.; DADE, E.C.; O., TAUSSKY. On the theory of orders, in particular on the semigroup of ideal classes and genera of an order in an algebraic number field.. Mathematische Annalen, Tome 146 (1962) pp. 31-64. http://gdmltest.u-ga.fr/item/GDZPPN002290820/