@article{bwmeta1.element.bwnjournal-article-aav25i1p115bwm,
author = {Hsia, J.},
title = {On the representation of cyclotomic polynomials as sums of squares},
journal = {Acta Arithmetica},
volume = {22},
year = {1973},
pages = {115-120},
zbl = {0243.10020},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav25i1p115bwm}
}
Hsia, J. On the representation of cyclotomic polynomials as sums of squares. Acta Arithmetica, Tome 22 (1973) pp. 115-120. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav25i1p115bwm/