@article{10_4153_CMB_1979_028_1, author = {Sivaramakrishnan, R.}, title = {Square-Reduced {Residue} {Systems} {(Mod} r) and {Related} {Arithmetical} {Functions}}, journal = {Canadian mathematical bulletin}, pages = {207--220}, year = {1979}, volume = {22}, number = {2}, doi = {10.4153/CMB-1979-028-1}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1979-028-1/} }