%0 Journal Article %A I. Ts. Gokhberg %A N. Ya. Krupnik %T Singular integral operators with piecewise continuous coefficients and their symbols %J Izvestiya. Mathematics %D 1971 %P 955-979 %V 5 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1971_5_4_a11/ %G en %F IM2_1971_5_4_a11