@article{JRAM_1981__324_152346,
     author = {K. Gy\"ory},
     title = {On discriminants and indices of integers of an algebraic number field.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {114--126},
     publisher = {mathdoc},
     volume = {324},
     year = {1981},
     zbl = {0446.12006},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1981__324_152346/}
}