@article{GDZPPN002482053,
title = {Connected Components of Arithmetic Graphs.},
journal = {Monatshefte f\"ur Mathematik},
volume = {90},
year = {1980},
pages = {219-222},
zbl = {0437.05039},
url = {http://dml.mathdoc.fr/item/GDZPPN002482053}
}
Nathanson, Melvyn B. Connected Components of Arithmetic Graphs.. Monatshefte für Mathematik, Tome 90 (1980) pp. 219-222. http://gdmltest.u-ga.fr/item/GDZPPN002482053/