@article{SEMR_2019_16_a4,
     author = {S. S. Ospichev},
     title = {Friedberg numberings of families of partial computable functionals},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {331--339},
     publisher = {mathdoc},
     volume = {16},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2019_16_a4/}
}