@article{IM2_1984_23_2_a4,
     author = {Yu. I. Karlovich and V. G. Kravchenko},
     title = {An algebra of singular integral operators with piecewise-continuous coefficients and a~piecewise-smooth shift on a~composite contour},
     journal = {Izvestiya. Mathematics },
     pages = {307--352},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1984_23_2_a4/}
}