@article{bwmeta1.element.bwnjournal-article-doi-10_4064-aa128-4-7,
author = {Guangshi L\"u},
title = {Gauss's three squares theorem with almost prime variables},
journal = {Acta Arithmetica},
volume = {130},
year = {2007},
pages = {391-399},
zbl = {1157.11038},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa128-4-7}
}
Guangshi Lü. Gauss's three squares theorem with almost prime variables. Acta Arithmetica, Tome 130 (2007) pp. 391-399. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa128-4-7/