@article{MZM_1999_66_2_a9,
     author = {R. Sh. Omanadze},
     title = {Some reducibilities and splittings of recursively enumerable sets},
     journal = {Matemati\v{c}eskie zametki},
     pages = {220--230},
     publisher = {mathdoc},
     volume = {66},
     number = {2},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1999_66_2_a9/}
}