@article{AL_1980_19_5_a0,
     author = {S. S. Goncharov},
     title = {Computable univalent numerations},
     journal = {Algebra i logika},
     pages = {507--551},
     year = {1980},
     volume = {19},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1980_19_5_a0/}
}