@article{DAN_1982_267_6_a3,
     author = {M. I. Kanovitch},
     title = {On the complexity of the problem of separating recursively enumerable sets},
     journal = {Doklady Akademii Nauk},
     pages = {1300--1304},
     publisher = {mathdoc},
     volume = {267},
     number = {6},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_267_6_a3/}
}