@article{GDZPPN002222566, title = {Sums of Periodicals of Certain Additive Functions.}, journal = {Manuscripta mathematica}, volume = {29}, year = {1979}, pages = {329-342}, zbl = {0425.10049}, url = {http://dml.mathdoc.fr/item/GDZPPN002222566} }
Ivic, A.; Koninck, Jean-Marie De. Sums of Periodicals of Certain Additive Functions.. Manuscripta mathematica, Tome 29 (1979) pp. 329-342. http://gdmltest.u-ga.fr/item/GDZPPN002222566/