@article{1147883399, author = {Alkan, Emre and Zaharescu, Alexandru and Zaki, Mohammad}, title = {Unitary convolution for arithmetical functions in several variables}, journal = {Hiroshima Math. J.}, volume = {36}, number = {1}, year = {2006}, pages = { 113-124}, language = {en}, url = {http://dml.mathdoc.fr/item/1147883399} }
Alkan, Emre; Zaharescu, Alexandru; Zaki, Mohammad. Unitary convolution for arithmetical functions in several variables. Hiroshima Math. J., Tome 36 (2006) no. 1, pp. 113-124. http://gdmltest.u-ga.fr/item/1147883399/