@article{bwmeta1.element.bwnjournal-article-fmv130i1p14bwm,
author = {Z. Ratajczyk},
title = {A combinatorial analysis of functions provably recursive in $$\Iota$$\Sigma$\_n$
},
journal = {Fundamenta Mathematicae},
volume = {131},
year = {1988},
pages = {191-213},
zbl = {0659.03036},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv130i1p14bwm}
}
Ratajczyk, Z. A combinatorial analysis of functions provably recursive in $ΙΣ_n$
. Fundamenta Mathematicae, Tome 131 (1988) pp. 191-213. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv130i1p14bwm/