@article{DAN_1967_175_5_a5,
     author = {A. G. Dragalin},
     title = {Constructive transfinite systems and the construction of an algorithm by transfinite induction},
     journal = {Doklady Akademii Nauk},
     pages = {993--996},
     publisher = {mathdoc},
     volume = {175},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_175_5_a5/}
}