@article{GDZPPN002083140,
title = {When is Zn the only Group of Order n?},
journal = {Elemente der Mathematik},
volume = {48},
year = {1993},
pages = {117-119},
zbl = {0829.20035},
url = {http://dml.mathdoc.fr/item/GDZPPN002083140}
}
Gallian, J.A.; Moulton, D. When is Zn the only Group of Order n?. Elemente der Mathematik, Tome 48 (1993) pp. 117-119. http://gdmltest.u-ga.fr/item/GDZPPN002083140/