@article{DAN_1991_316_2_a5,
     author = {V. G. Kravchenko and A. K. Shaev},
     title = {The theory of the solvability of singular integral equations with},
     journal = {Doklady Akademii Nauk},
     pages = {288--292},
     publisher = {mathdoc},
     volume = {316},
     number = {2},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_316_2_a5/}
}