@article{1183730722,
author = {Smullyan, Arthur Francis},
title = {Review: Gustav Bergmann, Contextual Definitions in Non-Extensional Languages},
journal = {J. Symbolic Logic},
volume = {14},
number = {1},
year = {1949},
language = {en},
url = {http://dml.mathdoc.fr/item/1183730722}
}
Smullyan, Arthur Francis. Review: Gustav Bergmann, Contextual Definitions in Non-Extensional Languages. J. Symbolic Logic, Tome 14 (1949) no. 1, . http://gdmltest.u-ga.fr/item/1183730722/