@article{GDZPPN002079194, title = {Groups and Fields in Zn.}, journal = {Elemente der Mathematik}, volume = {30}, year = {1975}, pages = {82-83}, zbl = {0312.12026}, url = {http://dml.mathdoc.fr/item/GDZPPN002079194} }
Nymann, J.E. Groups and Fields in Zn.. Elemente der Mathematik, Tome 30 (1975) pp. 82-83. http://gdmltest.u-ga.fr/item/GDZPPN002079194/