@article{1183742627,
author = {Feferman, Solomon},
title = {Hilbert's Program Relativized: Proof-Theoretical and Foundational Reductions},
journal = {J. Symbolic Logic},
volume = {53},
number = {1},
year = {1988},
pages = { 364-384},
language = {en},
url = {http://dml.mathdoc.fr/item/1183742627}
}
Feferman, Solomon. Hilbert's Program Relativized: Proof-Theoretical and Foundational Reductions. J. Symbolic Logic, Tome 53 (1988) no. 1, pp. 364-384. http://gdmltest.u-ga.fr/item/1183742627/