TY - JOUR AU - B. M. Yakhnin TI - Approximation of functions of class $\mathrm{Lip}\alpha$ by partial sums of a~Fourier series in Chebyshev polynomials of second kind JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1963 SP - 172 EP - 178 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1963_1_a21/ LA - ru ID - IVM_1963_1_a21 ER -