@article{1183741486,
author = {Goodman, Nicolas D.},
title = {Epistemic Arithmetic is a Conservative Extension of Intuitionistic Arithmetic},
journal = {J. Symbolic Logic},
volume = {49},
number = {1},
year = {1984},
pages = { 192-203},
language = {en},
url = {http://dml.mathdoc.fr/item/1183741486}
}
Goodman, Nicolas D. Epistemic Arithmetic is a Conservative Extension of Intuitionistic Arithmetic. J. Symbolic Logic, Tome 49 (1984) no. 1, pp. 192-203. http://gdmltest.u-ga.fr/item/1183741486/