@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/