@article{1183734127,
author = {Nishimura, Iwao},
title = {On Formulas of One Variable in Intuitionistic Propositional Calculus},
journal = {J. Symbolic Logic},
volume = {25},
number = {1},
year = {1960},
pages = { 327-331},
language = {en},
url = {http://dml.mathdoc.fr/item/1183734127}
}
Nishimura, Iwao. On Formulas of One Variable in Intuitionistic Propositional Calculus. J. Symbolic Logic, Tome 25 (1960) no. 1, pp. 327-331. http://gdmltest.u-ga.fr/item/1183734127/