TY - JOUR AU - K. A. Navasardyan TI - On the representation of functions by absolutely convergent series by $\mathcal{H}$-system JO - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics PY - 2018 SP - 49 EP - 61 VL - 18 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ISU_2018_18_1_a4/ LA - ru ID - ISU_2018_18_1_a4 ER -