@article{1181069806, author = {Luca, Florian}, title = {How Smooth Is $\phi(2^n+3)$?}, journal = {Rocky Mountain J. Math.}, volume = {34}, number = {4}, year = {2004}, pages = { 1367-1389}, language = {en}, url = {http://dml.mathdoc.fr/item/1181069806} }
Luca, Florian. How Smooth Is $\phi(2^n+3)$?. Rocky Mountain J. Math., Tome 34 (2004) no. 4, pp. 1367-1389. http://gdmltest.u-ga.fr/item/1181069806/