@article{00926410, title = {Sums of squares, cubes, and higher powers.}, journal = {Experimental Mathematics}, volume = {4}, year = {1995}, pages = {169-173}, doi = {10.1080/10586458.1995.10504318}, zbl = {0867.11066}, language = {en}, url = {http://dml.mathdoc.fr/item/00926410} }
Jagy, William C.; Kaplansky, Irving. Sums of squares, cubes, and higher powers.. Experimental Mathematics, Tome 4 (1995) pp. 169-173. doi : 10.1080/10586458.1995.10504318. http://gdmltest.u-ga.fr/item/00926410/