%0 Journal Article %A A. S. Krantsberg %T On divergent Fourier series in orthogonal systems %J Sbornik. Mathematics %D 1974 %P 547-560 %V 22 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1974_22_4_a4/ %G en %F SM_1974_22_4_a4