@article{1183734642,
author = {Salomaa, Arto},
title = {Review: Raili Kauppi, Intension and Extension of Concepts},
journal = {J. Symbolic Logic},
volume = {28},
number = {1},
year = {1963},
language = {en},
url = {http://dml.mathdoc.fr/item/1183734642}
}
Salomaa, Arto. Review: Raili Kauppi, Intension and Extension of Concepts. J. Symbolic Logic, Tome 28 (1963) no. 1, . http://gdmltest.u-ga.fr/item/1183734642/