@article{1140641162,
author = {Brady, Ross T.},
title = {Normalized natural deduction systems for some relevant logics I: The logic DW},
journal = {J. Symbolic Logic},
volume = {71},
number = {1},
year = {2006},
pages = { 35-66},
language = {en},
url = {http://dml.mathdoc.fr/item/1140641162}
}
Brady, Ross T. Normalized natural deduction systems for some relevant logics I: The logic DW. J. Symbolic Logic, Tome 71 (2006) no. 1, pp. 35-66. http://gdmltest.u-ga.fr/item/1140641162/