%0 Journal Article %A S. F. Lukomskii %T Necessary conditions for sets of uniqueness of Walsh series with %J Sbornik. Mathematics %D 1988 %P 461-470 %V 61 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1988_61_2_a11/ %G en %F SM_1988_61_2_a11