@article{2880, author = {Deleon, M.J.}, title = {A generalization of Euler's theorem}, journal = {Portugaliae mathematica}, volume = {38}, year = {1979}, pages = {103-105}, zbl = {0475.10002}, mrnumber = {0682357}, language = {en}, url = {http://dml.mathdoc.fr/item/2880} }
Deleon, M.J. A generalization of Euler's theorem. Portugaliae mathematica, Tome 38 (1979) pp. 103-105. http://gdmltest.u-ga.fr/item/2880/