@article{DAN_1975_222_5_a3,
     author = {M. I. Kanovitch},
     title = {Dekker's construction and effective nonrecursiveness},
     journal = {Doklady Akademii Nauk},
     pages = {1028--1030},
     year = {1975},
     volume = {222},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_222_5_a3/}
}