@article{MMO_1958_7_a9,
     author = {A. A. Muchnik},
     title = {Solution of {Post's} reduction problem and of certain other problems in the theory of {algorithms.~I}},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {391--405},
     publisher = {mathdoc},
     volume = {7},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1958_7_a9/}
}