@article{2573, author = {Somayajulu, Al}, title = {On arithmetic functions with congruence property}, journal = {Portugaliae mathematica}, volume = {27}, year = {1968}, pages = {83-85}, zbl = {0222.10006}, mrnumber = {0260657}, language = {en}, url = {http://dml.mathdoc.fr/item/2573} }
Somayajulu, Al. On arithmetic functions with congruence property. Portugaliae mathematica, Tome 27 (1968) pp. 83-85. http://gdmltest.u-ga.fr/item/2573/