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@article{AL_2015_54_4_a7, author = {M. M. Arslanov}, title = {Structural theory of degrees of unsolvability: advances and open problems}, journal = {Algebra i logika}, pages = {529--535}, publisher = {mathdoc}, volume = {54}, number = {4}, year = {2015}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_2015_54_4_a7/} }
M. M. Arslanov. Structural theory of degrees of unsolvability: advances and open problems. Algebra i logika, Tome 54 (2015) no. 4, pp. 529-535. http://geodesic.mathdoc.fr/item/AL_2015_54_4_a7/