TY - JOUR AU - V. I. Ivanov AU - Yu. D. Rudomazina TI - On the Turan Problem for Periodic Functions with Nonnegative Fourier Coefficients and Small Support JO - Matematičeskie zametki PY - 2005 SP - 941 EP - 945 VL - 77 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2005_77_6_a14/ LA - ru ID - MZM_2005_77_6_a14 ER -