@article{DAN_1972_204_3_a5,
     author = {N. K. Karapetyants and S. G. Samko},
     title = {Singular integral operators with shift on an open contour},
     journal = {Doklady Akademii Nauk},
     pages = {536--539},
     publisher = {mathdoc},
     volume = {204},
     number = {3},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_204_3_a5/}
}