@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/}
}