@article{1183736066,
author = {Enderton, H. B.},
title = {An Infinitistic Rule of Proof},
journal = {J. Symbolic Logic},
volume = {32},
number = {1},
year = {1967},
pages = { 447-451},
language = {en},
url = {http://dml.mathdoc.fr/item/1183736066}
}
Enderton, H. B. An Infinitistic Rule of Proof. J. Symbolic Logic, Tome 32 (1967) no. 1, pp. 447-451. http://gdmltest.u-ga.fr/item/1183736066/