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@article{AL_1982_21_4_a5, author = {V. L. Selivanov}, title = {The structure of degrees of generalized index sets}, journal = {Algebra i logika}, pages = {472--491}, publisher = {mathdoc}, volume = {21}, number = {4}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1982_21_4_a5/} }
V. L. Selivanov. The structure of degrees of generalized index sets. Algebra i logika, Tome 21 (1982) no. 4, pp. 472-491. http://geodesic.mathdoc.fr/item/AL_1982_21_4_a5/