@article{oai:tsukuba.repo.nii.ac.jp:00015705,
 author = {Haukkanen, Pentti and Sivaramakrishnan, R.},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {227--234},
 title = {Arithmetic functions in an algebraic setting},
 volume = {15},
 year = {1991}
}