%0 Journal Article %A Yu. I. Karlovich %A V. G. Kravchenko %T An algebra of singular integral operators with piecewise-continuous coefficients and a~piecewise-smooth shift on a~composite contour %J Izvestiya. Mathematics %D 1984 %P 307-352 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1984_23_2_a4/ %G en %F IM2_1984_23_2_a4