@article{GDZPPN002192543,
title = {Some reults on fundamental units in cubic fields.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {281},
year = {1976},
pages = {75-85},
zbl = {0335.12009},
url = {http://dml.mathdoc.fr/item/GDZPPN002192543}
}
Williams, H.C. Some reults on fundamental units in cubic fields.. Journal für die reine und angewandte Mathematik, Tome 281 (1976) pp. 75-85. http://gdmltest.u-ga.fr/item/GDZPPN002192543/