@article{DAN_1979_248_4_a4,
     author = {A. Yu. Sazonov},
     title = {The {Fourier} method for certain singular hyperbolic equations},
     journal = {Doklady Akademii Nauk},
     pages = {792--796},
     year = {1979},
     volume = {248},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1979_248_4_a4/}
}