Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1959__18_4_114825, author = {Carlitz, L.}, title = {Quadratic residues and {Tchebycheff} polynomials}, journal = {Portugaliae mathematica}, pages = {193--198}, publisher = {mathdoc}, volume = {18}, number = {4}, year = {1959}, mrnumber = {0125059}, zbl = {0098.03702}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1959__18_4_114825/} }
Carlitz, L. Quadratic residues and Tchebycheff polynomials. Portugaliae mathematica, Tome 18 (1959) no. 4, pp. 193-198. http://geodesic.mathdoc.fr/item/PORMA_1959__18_4_114825/