@article{2335,
author = {Carlitz, L.},
title = {Quadratic residues and Tchebycheff polynomials},
journal = {Portugaliae mathematica},
volume = {18},
year = {1959},
pages = {193-198},
zbl = {0098.03702},
mrnumber = {0125059},
language = {en},
url = {http://dml.mathdoc.fr/item/2335}
}
Carlitz, L. Quadratic residues and Tchebycheff polynomials. Portugaliae mathematica, Tome 18 (1959) pp. 193-198. http://gdmltest.u-ga.fr/item/2335/