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@article{DAN_1966_170_1_a10, author = {L. L. Tsinman}, title = {Bases of primitive-recursively closed classes of functions}, journal = {Doklady Akademii Nauk}, pages = {45--48}, publisher = {mathdoc}, volume = {170}, number = {1}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_170_1_a10/} }
L. L. Tsinman. Bases of primitive-recursively closed classes of functions. Doklady Akademii Nauk, Tome 170 (1966) no. 1, pp. 45-48. http://geodesic.mathdoc.fr/item/DAN_1966_170_1_a10/