%0 Journal Article %A A. G. Sergeev %T A~criterion for boundedness of singular integral operators with complicated singularities %J Izvestiya. Mathematics %D 1984 %P 309-327 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1984_22_2_a6/ %G en %F IM2_1984_22_2_a6