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@article{DAN_1970_194_3_a4, author = {M. I. Kanovich}, title = {Complexity of the decidability of an enumerable set as a criterion of its universality}, journal = {Doklady Akademii Nauk}, pages = {500--503}, publisher = {mathdoc}, volume = {194}, number = {3}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1970_194_3_a4/} }
M. I. Kanovich. Complexity of the decidability of an enumerable set as a criterion of its universality. Doklady Akademii Nauk, Tome 194 (1970) no. 3, pp. 500-503. http://geodesic.mathdoc.fr/item/DAN_1970_194_3_a4/