TY - JOUR AU - A. V. Reztsov TI - Nonnegative trigonometric polynomials with spherical spectrum JO - Matematičeskie zametki PY - 1993 SP - 149 EP - 152 VL - 54 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1993_54_5_a15/ LA - ru ID - MZM_1993_54_5_a15 ER -