@article{DAN_1979_244_3_a0,
     author = {B. A. Kats},
     title = {On the {Riemann} boundary value problem with coefficient admitting discontinuities of oscillatory type},
     journal = {Doklady Akademii Nauk},
     pages = {521--525},
     publisher = {mathdoc},
     volume = {244},
     number = {3},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1979_244_3_a0/}
}