@article{2473, author = {Yahya, Q.A.M.M.}, title = {A new expression for Tchebychev polynomials}, journal = {Portugaliae mathematica}, volume = {24}, year = {1965}, pages = {169-172}, zbl = {0154.06502}, mrnumber = {0212234}, language = {en}, url = {http://dml.mathdoc.fr/item/2473} }
Yahya, Q.A.M.M. A new expression for Tchebychev polynomials. Portugaliae mathematica, Tome 24 (1965) pp. 169-172. http://gdmltest.u-ga.fr/item/2473/