@article{DAN_1991_321_4_a10,
     author = {V. S. Rabinovich},
     title = {Singular integral operators on a composite contour with an},
     journal = {Doklady Akademii Nauk},
     pages = {692--696},
     year = {1991},
     volume = {321},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_321_4_a10/}
}