@article{PORMA_1965__24_3_114963,
     author = {Yahya, Q.A.M.M.},
     title = {A new expression for {Tchebychev} polynomials},
     journal = {Portugaliae mathematica},
     pages = {169--172},
     publisher = {mathdoc},
     volume = {24},
     number = {3},
     year = {1965},
     mrnumber = {0212234},
     zbl = {0154.06502},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1965__24_3_114963/}
}