%0 Journal Article %A V. B. Dybin %T One-dimensional singular integral equations with coefficients vanishing on countable sets %J Izvestiya. Mathematics %D 1988 %P 245-271 %V 31 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1988_31_2_a1/ %G en %F IM2_1988_31_2_a1