@article{AL_1993_32_1_a2,
     author = {S. L. Bereznyuk},
     title = {On the number of nonequivalent computable indexings of a fixed},
     journal = {Algebra i logika},
     pages = {34--44},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1993_32_1_a2/}
}