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@article{DAN_1961_138_2_a18, author = {B. A. Trakhtenbrot}, title = {Certain constructions in the logic of one-place predicates}, journal = {Doklady Akademii Nauk}, pages = {320--321}, publisher = {mathdoc}, volume = {138}, number = {2}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_138_2_a18/} }
B. A. Trakhtenbrot. Certain constructions in the logic of one-place predicates. Doklady Akademii Nauk, Tome 138 (1961) no. 2, pp. 320-321. http://geodesic.mathdoc.fr/item/DAN_1961_138_2_a18/