@article{MM2_1979__30_154686,
     author = {A. Ivic and Jean-Marie De Koninck},
     title = {Sums of {Periodicals} of {Certain} {Additive} {Functions.}},
     journal = {Manuscripta mathematica},
     pages = {329--342},
     publisher = {mathdoc},
     volume = {30},
     year = {1979},
     zbl = {0425.10049},
     url = {http://geodesic.mathdoc.fr/item/MM2_1979__30_154686/}
}