@article{1183741003,
author = {Lifschitz, Vladimir},
title = {Constructive Assertions in an Extension of Classical Mathematics},
journal = {J. Symbolic Logic},
volume = {47},
number = {1},
year = {1982},
pages = { 359-387},
language = {en},
url = {http://dml.mathdoc.fr/item/1183741003}
}
Lifschitz, Vladimir. Constructive Assertions in an Extension of Classical Mathematics. J. Symbolic Logic, Tome 47 (1982) no. 1, pp. 359-387. http://gdmltest.u-ga.fr/item/1183741003/