@article{1093887540,
author = {Gagnon, Laurence S.},
title = {NOR logic: a system of natural deduction.},
journal = {Notre Dame J. Formal Logic},
volume = {17},
number = {1},
year = {1976},
pages = { 293-294},
language = {en},
url = {http://dml.mathdoc.fr/item/1093887540}
}
Gagnon, Laurence S. NOR logic: a system of natural deduction.. Notre Dame J. Formal Logic, Tome 17 (1976) no. 1, pp. 293-294. http://gdmltest.u-ga.fr/item/1093887540/