@article{IVM_1989_8_a8,
     author = {V. D. Solov'ev},
     title = {Completeness of systems of recursive functions and {predicates.~I}},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {56--63},
     year = {1989},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1989_8_a8/}
}