TY - JOUR AU - E. D. Alferova AU - A. Yu. Popov TI - Extremal positivity problem for integrals of sine series with monotone coefficients JO - Matematičeskie zametki PY - 2024 SP - 316 EP - 320 VL - 116 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2024_116_2_a11/ LA - ru ID - MZM_2024_116_2_a11 ER -