@article{GDZPPN002487462,
title = {Sums of Cubes of Square-Free Numbers.},
journal = {Monatshefte f\"ur Mathematik},
volume = {112},
year = {1991},
pages = {1-22},
zbl = {0718.11046},
url = {http://dml.mathdoc.fr/item/GDZPPN002487462}
}
Baker, R.C.; Brüdern, J. Sums of Cubes of Square-Free Numbers.. Monatshefte für Mathematik, Tome 112 (1991) pp. 1-22. http://gdmltest.u-ga.fr/item/GDZPPN002487462/