@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/