@article{JRAM_1932__167_149797,
     author = {G.E. Wahlin},
     title = {The multiplicative representation of the principal units of a relative cyclic field.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {122--128},
     publisher = {mathdoc},
     volume = {167},
     year = {1932},
     zbl = {0003.29501},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1932__167_149797/}
}