@article{1093956970,
author = {Schock, Rolf},
title = {Some defninitions of subjunctive implication, of counterfactual implication, and of related concepts.},
journal = {Notre Dame J. Formal Logic},
volume = {2},
number = {1},
year = {1961},
pages = { 206-221},
language = {en},
url = {http://dml.mathdoc.fr/item/1093956970}
}
Schock, Rolf. Some defninitions of subjunctive implication, of counterfactual implication, and of related concepts.. Notre Dame J. Formal Logic, Tome 2 (1961) no. 1, pp. 206-221. http://gdmltest.u-ga.fr/item/1093956970/