TY - JOUR AU - V. N. Chubarikov TI - On a mean-value theorem for multiple trigonometric sums JO - Čebyševskij sbornik PY - 2020 SP - 341 EP - 356 VL - 21 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2020_21_1_a21/ LA - ru ID - CHEB_2020_21_1_a21 ER -