@article{GDZPPN002045664,
title = {A classification of the one-argument primitive recursive functions.},
journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
volume = {23},
year = {1983},
pages = {161-174},
zbl = {0544.03015},
url = {http://dml.mathdoc.fr/item/GDZPPN002045664}
}
Naumovic, Jovan. A classification of the one-argument primitive recursive functions.. Archiv für mathematische Logik und Grundlagenforschung, Tome 23 (1983) pp. 161-174. http://gdmltest.u-ga.fr/item/GDZPPN002045664/