@article{1102734389, author = {Johnson, Kenneth R.}, title = {A reciprocity law for Ramanujan sums.}, journal = {Pacific J. Math.}, volume = {103}, number = {2}, year = {1982}, pages = { 99-105}, language = {en}, url = {http://dml.mathdoc.fr/item/1102734389} }
Johnson, Kenneth R. A reciprocity law for Ramanujan sums.. Pacific J. Math., Tome 103 (1982) no. 2, pp. 99-105. http://gdmltest.u-ga.fr/item/1102734389/