@article{bwmeta1.element.bwnjournal-article-doi-10_4064-aa158-1-5,
author = {Kenneth S. Williams},
title = {Quadratic forms and a product-to-sum formula},
journal = {Acta Arithmetica},
volume = {161},
year = {2013},
pages = {79-97},
zbl = {1278.11043},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa158-1-5}
}
Kenneth S. Williams. Quadratic forms and a product-to-sum formula. Acta Arithmetica, Tome 161 (2013) pp. 79-97. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa158-1-5/