@article{GDZPPN002080869,
title = {A result for the 'other' variable of Ramanujan's sum.},
journal = {Elemente der Mathematik},
volume = {38},
year = {1983},
pages = {122-124},
zbl = {0516.10002},
url = {http://dml.mathdoc.fr/item/GDZPPN002080869}
}
Johnson, Kenneth R. A result for the 'other' variable of Ramanujan's sum.. Elemente der Mathematik, Tome 38 (1983) pp. 122-124. http://gdmltest.u-ga.fr/item/GDZPPN002080869/