@article{bwmeta1.element.bwnjournal-article-aav35i4p333bwm, author = {Freud, Robert}, title = {On sets characterizing additive arithmetical functions, I}, journal = {Acta Arithmetica}, volume = {35}, year = {1979}, pages = {333-343}, zbl = {0348.10005}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav35i4p333bwm} }
Freud, Robert. On sets characterizing additive arithmetical functions, I. Acta Arithmetica, Tome 35 (1979) pp. 333-343. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav35i4p333bwm/