@article{DAN_1968_182_3_a6,
     author = {M. M. Choban},
     title = {Many-valued mappings and {Borel} sets},
     journal = {Doklady Akademii Nauk},
     pages = {514--517},
     publisher = {mathdoc},
     volume = {182},
     number = {3},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_182_3_a6/}
}