@article{bwmeta1.element.bwnjournal-article-fmv87i1p13bwm,
author = {Carl Jockusch},
title = {Recursiveness of initial segments of Kleene's O},
journal = {Fundamenta Mathematicae},
volume = {89},
year = {1975},
pages = {161-167},
zbl = {0338.02024},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv87i1p13bwm}
}
Jockusch, Carl. Recursiveness of initial segments of Kleene's O. Fundamenta Mathematicae, Tome 89 (1975) pp. 161-167. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv87i1p13bwm/