@article{1183493597,
author = {Pillai, S. Sivasankaranarayana},
title = {On a function connected with $\phi \left( n \right)$},
journal = {Bull. Amer. Math. Soc.},
volume = {35},
number = {6},
year = {1929},
pages = { 837-841},
language = {en},
url = {http://dml.mathdoc.fr/item/1183493597}
}
Pillai, S. Sivasankaranarayana. On a function connected with $\phi \left( n \right)$. Bull. Amer. Math. Soc., Tome 35 (1929) no. 6, pp. 837-841. http://gdmltest.u-ga.fr/item/1183493597/