@article{1270043231,
author = {KAWADA, Koichi},
title = {On the Sum of Four Cubes and a Product of $k$ Factors},
journal = {Tokyo J. of Math.},
volume = {19},
number = {2},
year = {1996},
pages = { 221-244},
language = {en},
url = {http://dml.mathdoc.fr/item/1270043231}
}
KAWADA, Koichi. On the Sum of Four Cubes and a Product of $k$ Factors. Tokyo J. of Math., Tome 19 (1996) no. 2, pp. 221-244. http://gdmltest.u-ga.fr/item/1270043231/