@article{DAN_1961_136_3_a1,
     author = {A. D. Alekseev},
     title = {A singular integral equation on the contour of class~$R$},
     journal = {Doklady Akademii Nauk},
     pages = {525--528},
     year = {1961},
     volume = {136},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_136_3_a1/}
}