@article{GMJ_1999__6_4_48689, author = {Bhattacharjee, D.}, title = {On some rings of arithmetical functions.}, journal = {Georgian mathematical journal}, pages = {299--306}, year = {1999}, volume = {6}, number = {4}, zbl = {0959.11001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/GMJ_1999__6_4_48689/} }