@article{DAN_1979_248_4_a7,
     author = {Yu. I. Cherskii},
     title = {Integral equations reducing to two {Riemann} problems},
     journal = {Doklady Akademii Nauk},
     pages = {802--805},
     year = {1979},
     volume = {248},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1979_248_4_a7/}
}