@article{GDZPPN002045427,
title = {Cut elimination for impredicative infinitary systems. Part II Ordinal analysis for iterated inductive definitions.},
journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
volume = {22},
year = {1982},
pages = {69-88},
zbl = {0497.03043},
url = {http://dml.mathdoc.fr/item/GDZPPN002045427}
}
Pohlers, W. Cut elimination for impredicative infinitary systems. Part II Ordinal analysis for iterated inductive definitions.. Archiv für mathematische Logik und Grundlagenforschung, Tome 22 (1982) pp. 69-88. http://gdmltest.u-ga.fr/item/GDZPPN002045427/