@article{JRAM_1979__310_152150,
     author = {Emery Thomas},
     title = {Fundamental units for orders in certain cubic number fields.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {33--55},
     publisher = {mathdoc},
     volume = {310},
     year = {1979},
     zbl = {0427.12005},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1979__310_152150/}
}