@article{bwmeta1.element.bwnjournal-article-fmv97i1p8bwm,
author = {Dov Gabbay},
title = {Undecidability of intuitionistic theories formulated with the apartness relation},
journal = {Fundamenta Mathematicae},
volume = {96},
year = {1977},
pages = {17-36},
zbl = {0365.02012},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv97i1p8bwm}
}
Gabbay, Dov. Undecidability of intuitionistic theories formulated with the apartness relation. Fundamenta Mathematicae, Tome 96 (1977) pp. 17-36. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv97i1p8bwm/