@article{DAN_1972_206_3_a0,
     author = {J. M. Barzdi\c{n}\v{s} and R. V. Freivald},
     title = {On the prediction of general recursive functions},
     journal = {Doklady Akademii Nauk},
     pages = {521--524},
     publisher = {mathdoc},
     volume = {206},
     number = {3},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_206_3_a0/}
}