@article{IVM_1982_12_a8,
     author = {V. D. Solov'ev},
     title = {The structure of closed classes of computable functions and predicates},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {51--56},
     publisher = {mathdoc},
     number = {12},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1982_12_a8/}
}