%0 Journal Article %A N. B. Pogosyan %T Representation of measurable functions by orthogonal series %J Sbornik. Mathematics %D 1975 %P 93-102 %V 27 %N 1 %U http://geodesic.mathdoc.fr/item/SM_1975_27_1_a7/ %G en %F SM_1975_27_1_a7