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@article{DAN_1974_216_5_a0, author = {A. V. Altaev}, title = {Operators defined by $\gamma$-enumeration and related reducibilities}, journal = {Doklady Akademii Nauk}, pages = {961--963}, publisher = {mathdoc}, volume = {216}, number = {5}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_216_5_a0/} }
A. V. Altaev. Operators defined by $\gamma$-enumeration and related reducibilities. Doklady Akademii Nauk, Tome 216 (1974) no. 5, pp. 961-963. http://geodesic.mathdoc.fr/item/DAN_1974_216_5_a0/