@article{JRAM_1970__245_151072,
     author = {R. Sivaramakrishnan and H. Scheid},
     title = {Certain classes of arithmetic functions and the operation of additive convolution.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {201--207},
     publisher = {mathdoc},
     volume = {245},
     year = {1970},
     zbl = {0206.05401},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1970__245_151072/}
}