1. Introduction to Approximation Theory;Cheney,1966
2. Die Minkowskische Geometrie und die Annaherung an stetige Funktionen;Haar;Math. Ann.,1918
3. A remark on the polynomials of P. L. Cebysev Deviating the least from a given function;Kolmogorov;Uspehi Mat. Nauk.,1948
4. Some theorems on Cebysev approximation;Newman;Duke Math. J.,1963
5. A unified approach to certain problems of approximation and minimization;Rivlin;J. Siam,1961