@article{bwmeta1.element.bwnjournal-article-aav24i1p87bwm,
author = {Roth, K.},
title = {On cosine polynomials corresponding to sets of integers},
journal = {Acta Arithmetica},
volume = {22},
year = {1973},
pages = {87-98},
zbl = {0261.10026},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav24i1p87bwm}
}
Roth, K. On cosine polynomials corresponding to sets of integers. Acta Arithmetica, Tome 22 (1973) pp. 87-98. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav24i1p87bwm/