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@article{AL_1972_11_3_a1, author = {A. N. Degtev}, title = {Hereditary sets and truth-table reducibility}, journal = {Algebra i logika}, pages = {257--269}, publisher = {mathdoc}, volume = {11}, number = {3}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1972_11_3_a1/} }
A. N. Degtev. Hereditary sets and truth-table reducibility. Algebra i logika, Tome 11 (1972) no. 3, pp. 257-269. http://geodesic.mathdoc.fr/item/AL_1972_11_3_a1/