@article{1093890623,
author = {Ulrich, Dolph},
title = {Some results concerning finite models for sentential calculi.},
journal = {Notre Dame J. Formal Logic},
volume = {13},
number = {3},
year = {1972},
pages = { 363-368},
language = {en},
url = {http://dml.mathdoc.fr/item/1093890623}
}
Ulrich, Dolph. Some results concerning finite models for sentential calculi.. Notre Dame J. Formal Logic, Tome 13 (1972) no. 3, pp. 363-368. http://gdmltest.u-ga.fr/item/1093890623/