TY - JOUR AU - B. M. Yakhnin TI - A~relationship between the Lebesgue functions of an expansion into series of Jacobi polynomials orthonormalized with the weight function $P(x)=\sqrt{\dfrac{1+x}{1-x}}$ and the Chebyshev polynomials JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1958 SP - 202 EP - 207 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1958_1_a20/ LA - ru ID - IVM_1958_1_a20 ER -