@article{1183736519,
author = {Follesdal, Dagfinn},
title = {Review: Dag Prawitz, Concerning constructive Logic and the Concept of Implication},
journal = {J. Symbolic Logic},
volume = {33},
number = {1},
year = {1968},
language = {en},
url = {http://dml.mathdoc.fr/item/1183736519}
}
Follesdal, Dagfinn. Review: Dag Prawitz, Concerning constructive Logic and the Concept of Implication. J. Symbolic Logic, Tome 33 (1968) no. 1, . http://gdmltest.u-ga.fr/item/1183736519/