%0 Journal Article %A S. V. Bochkarev %T Absolute convergence of Fourier series over complete orthonormal systems of functions %J Sbornik. Mathematics %D 1971 %P 429-437 %V 14 %N 3 %U http://geodesic.mathdoc.fr/item/SM_1971_14_3_a7/ %G en %F SM_1971_14_3_a7