@article{GDZPPN002045710,
title = {...-inaccessible ordinals, collapsing functions and a recursive notation system.},
journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
volume = {24},
year = {1984},
pages = {49-62},
zbl = {0545.03031},
url = {http://dml.mathdoc.fr/item/GDZPPN002045710}
}
Jäger, Gerhard. ...-inaccessible ordinals, collapsing functions and a recursive notation system.. Archiv für mathematische Logik und Grundlagenforschung, Tome 24 (1984) pp. 49-62. http://gdmltest.u-ga.fr/item/GDZPPN002045710/