@article{GDZPPN002077426,
title = {A property of the Unitary Analogue of Ramanujan's Sum.},
journal = {Elemente der Mathematik},
volume = {25},
year = {1970},
pages = {114-114},
zbl = {0201.04801},
url = {http://dml.mathdoc.fr/item/GDZPPN002077426}
}
Suryanarayana, D. A property of the Unitary Analogue of Ramanujan's Sum.. Elemente der Mathematik, Tome 25 (1970) p. 114. http://gdmltest.u-ga.fr/item/GDZPPN002077426/