@article{1093894216,
author = {Chapin, E. William},
title = {Gentzen-like systems for partial propositional calculi. II.},
journal = {Notre Dame J. Formal Logic},
volume = {12},
number = {1},
year = {1971},
pages = { 179-182},
language = {en},
url = {http://dml.mathdoc.fr/item/1093894216}
}
Chapin, E. William. Gentzen-like systems for partial propositional calculi. II.. Notre Dame J. Formal Logic, Tome 12 (1971) no. 1, pp. 179-182. http://gdmltest.u-ga.fr/item/1093894216/