@article{2804,
author = {Morgado, Jos\'e},
title = {Another generalization of Euler's theorem},
journal = {Portugaliae mathematica},
volume = {35},
year = {1976},
pages = {241-243},
zbl = {0368.10005},
mrnumber = {0469857},
language = {en},
url = {http://dml.mathdoc.fr/item/2804}
}
Morgado, José. Another generalization of Euler's theorem. Portugaliae mathematica, Tome 35 (1976) pp. 241-243. http://gdmltest.u-ga.fr/item/2804/