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@article{DAN_1982_263_1_a9, author = {A. L. Semenov}, title = {On the definability of arithmetic in its fragments}, journal = {Doklady Akademii Nauk}, pages = {44--47}, publisher = {mathdoc}, volume = {263}, number = {1}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1982_263_1_a9/} }
A. L. Semenov. On the definability of arithmetic in its fragments. Doklady Akademii Nauk, Tome 263 (1982) no. 1, pp. 44-47. http://geodesic.mathdoc.fr/item/DAN_1982_263_1_a9/