@article{1181071620,
author = {MacHenry, Trueman},
title = {A Subgroup of the Group of Units in the Ring of Arithmetic Functions},
journal = {Rocky Mountain J. Math.},
volume = {29},
number = {4},
year = {1999},
pages = { 1055-1065},
language = {en},
url = {http://dml.mathdoc.fr/item/1181071620}
}
MacHenry, Trueman. A Subgroup of the Group of Units in the Ring of Arithmetic Functions. Rocky Mountain J. Math., Tome 29 (1999) no. 4, pp. 1055-1065. http://gdmltest.u-ga.fr/item/1181071620/