@article{bwmeta1.element.bwnjournal-article-doi-10_4064-aa127-2-1,
author = {Zhi-Wei Sun},
title = {Mixed sums of squares and triangular numbers},
journal = {Acta Arithmetica},
volume = {130},
year = {2007},
pages = {103-113},
zbl = {1127.11030},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa127-2-1}
}
Zhi-Wei Sun. Mixed sums of squares and triangular numbers. Acta Arithmetica, Tome 130 (2007) pp. 103-113. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa127-2-1/