@article{DAN_1980_253_4_a5,
     author = {V. G. Kanovei},
     title = {On some problems of descriptive set theory and the connection between constructibility and definability},
     journal = {Doklady Akademii Nauk},
     pages = {800--803},
     publisher = {mathdoc},
     volume = {253},
     number = {4},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_253_4_a5/}
}