TY - JOUR AU - E. A. Sevast'yanov TI - Piecewise-monotonic and rational approximations and uniform convergence of Fourier series JO - Matematičeskie zametki PY - 1976 SP - 619 EP - 624 VL - 20 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1976_20_4_a17/ LA - ru ID - MZM_1976_20_4_a17 ER -