@article{CLTM_1969_1969_1_a4, author = {Carlitz, L.}, title = {Sums of arithmetic functions.}, journal = {Collectanea mathematica}, pages = {108-126}, publisher = {mathdoc}, volume = {20}, number = {2}, year = {1969}, zbl = {0185.10701}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CLTM_1969_1969_1_a4/} }