@article{bwmeta1.element.bwnjournal-article-aav51i2p131bwm,
author = {Arenas, A.},
title = {An arithmetic problem on the sums of three squares},
journal = {Acta Arithmetica},
volume = {50},
year = {1988},
pages = {131-140},
zbl = {0663.10050},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav51i2p131bwm}
}
Arenas, A. An arithmetic problem on the sums of three squares. Acta Arithmetica, Tome 50 (1988) pp. 131-140. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav51i2p131bwm/