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@article{DAN_1968_183_6_a6, author = {E. A. Polyakov}, title = {Recursive subsets of sets of recursive functions}, journal = {Doklady Akademii Nauk}, pages = {1262--1264}, publisher = {mathdoc}, volume = {183}, number = {6}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_183_6_a6/} }
E. A. Polyakov. Recursive subsets of sets of recursive functions. Doklady Akademii Nauk, Tome 183 (1968) no. 6, pp. 1262-1264. http://geodesic.mathdoc.fr/item/DAN_1968_183_6_a6/