TY - JOUR AU - A. P. Solodov TI - A sharp lower bound for the sum of a sine series with convex coefficients JO - Sbornik. Mathematics PY - 2016 SP - 1743 EP - 1777 VL - 207 IS - 12 UR - http://geodesic.mathdoc.fr/item/SM_2016_207_12_a6/ LA - en ID - SM_2016_207_12_a6 ER -