@article{oai:tsukuba.repo.nii.ac.jp:00015950,
 author = {Ferrero, Miguel},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {Dec},
 pages = {161--176},
 title = {On generalized convolution rengs of arithmetic functions},
 volume = {4},
 year = {1980}
}