@article{1183736199,
author = {Pogorzelski, Witold A.},
title = {On the Scope of the Classical Deduction Theorem},
journal = {J. Symbolic Logic},
volume = {33},
number = {1},
year = {1968},
pages = { 77-81},
language = {en},
url = {http://dml.mathdoc.fr/item/1183736199}
}
Pogorzelski, Witold A. On the Scope of the Classical Deduction Theorem. J. Symbolic Logic, Tome 33 (1968) no. 1, pp. 77-81. http://gdmltest.u-ga.fr/item/1183736199/