@article{1102723974, author = {Johnson, Kenneth R.}, title = {Unitary analogs of generalized Ramanujan sums.}, journal = {Pacific J. Math.}, volume = {103}, number = {2}, year = {1982}, pages = { 429-432}, language = {en}, url = {http://dml.mathdoc.fr/item/1102723974} }
Johnson, Kenneth R. Unitary analogs of generalized Ramanujan sums.. Pacific J. Math., Tome 103 (1982) no. 2, pp. 429-432. http://gdmltest.u-ga.fr/item/1102723974/