@article{1183734297,
author = {Kleene, S. C.},
title = {Disjunction and Existence Under Implication in Elementary Intuitionistic Formalisms},
journal = {J. Symbolic Logic},
volume = {27},
number = {1},
year = {1962},
pages = { 11-18},
language = {en},
url = {http://dml.mathdoc.fr/item/1183734297}
}
Kleene, S. C. Disjunction and Existence Under Implication in Elementary Intuitionistic Formalisms. J. Symbolic Logic, Tome 27 (1962) no. 1, pp. 11-18. http://gdmltest.u-ga.fr/item/1183734297/