@article{1183736849,
author = {Friedman, Harvey},
title = {Bar Induction and $\Pi^1\_1-CA^1$},
journal = {J. Symbolic Logic},
volume = {34},
number = {1},
year = {1969},
pages = { 353-362},
language = {en},
url = {http://dml.mathdoc.fr/item/1183736849}
}
Friedman, Harvey. Bar Induction and $\Pi^1_1-CA^1$. J. Symbolic Logic, Tome 34 (1969) no. 1, pp. 353-362. http://gdmltest.u-ga.fr/item/1183736849/