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@article{DAN_1972_204_3_a4, author = {M. I. Kanovitch}, title = {On the universality of strongly undecidable sets}, journal = {Doklady Akademii Nauk}, pages = {533--535}, publisher = {mathdoc}, volume = {204}, number = {3}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1972_204_3_a4/} }
M. I. Kanovitch. On the universality of strongly undecidable sets. Doklady Akademii Nauk, Tome 204 (1972) no. 3, pp. 533-535. http://geodesic.mathdoc.fr/item/DAN_1972_204_3_a4/