@article{1195521768,
author = {Cignoli, Roberto},
title = {Boolean multiplicative closures, II},
journal = {Proc. Japan Acad.},
volume = {42},
number = {5},
year = {1966},
pages = { 1172-1174},
language = {en},
url = {http://dml.mathdoc.fr/item/1195521768}
}
Cignoli, Roberto. Boolean multiplicative closures, II. Proc. Japan Acad., Tome 42 (1966) no. 5, pp. 1172-1174. http://gdmltest.u-ga.fr/item/1195521768/