@article{DAN_1979_247_6_a5,
     author = {J. E. Jayne and C. A. Rogers},
     title = {First level {Borel} isomorphisms},
     journal = {Doklady Akademii Nauk},
     pages = {1309--1312},
     year = {1979},
     volume = {247},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1979_247_6_a5/}
}