@article{IVM_2022_11_a8,
     author = {A. I. Talipova and M. M. Yamaleev},
     title = {Nonuniformity of downwards density in the $n$-computably enumerable {Turing} degrees},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {124--131},
     publisher = {mathdoc},
     number = {11},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2022_11_a8/}
}