@article{1093870224,
author = {Wilson, N. L.},
title = {The transitivity of implication in tree logic.},
journal = {Notre Dame J. Formal Logic},
volume = {24},
number = {1},
year = {1983},
pages = { 106-114},
language = {en},
url = {http://dml.mathdoc.fr/item/1093870224}
}
Wilson, N. L. The transitivity of implication in tree logic.. Notre Dame J. Formal Logic, Tome 24 (1983) no. 1, pp. 106-114. http://gdmltest.u-ga.fr/item/1093870224/