%0 Journal Article %A I. V. Limonova %T Dense weakly lacunary subsystems of orthogonal systems and maximal partial sum operator %J Sbornik. Mathematics %D 2023 %P 1560-1584 %V 214 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2023_214_11_a2/ %G en %F SM_2023_214_11_a2