@article{1093883249,
author = {Hanson, William H.},
title = {First-degree entailments and information.},
journal = {Notre Dame J. Formal Logic},
volume = {21},
number = {1},
year = {1980},
pages = { 659-671},
language = {en},
url = {http://dml.mathdoc.fr/item/1093883249}
}
Hanson, William H. First-degree entailments and information.. Notre Dame J. Formal Logic, Tome 21 (1980) no. 1, pp. 659-671. http://gdmltest.u-ga.fr/item/1093883249/