The third and fourth kinds of Chebyshev polynomials and best uniform approximation. - M. R. Eslahchi; Mehdi Dehghan 002; Sanaz Amani (Math. Comput. Model., 2012)

Chebyshev polynomials and best approximation of some classes of functions. - M. R. Eslahchi; Mehdi Dehghan 002; Sanaz Amani (J. Num. Math., 2015)