Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1968__9_4_a9, author = {Bukovsk\'y, Lev}, title = {$\nabla$-model and distributivity in {Boolean} algebras}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {595--612}, publisher = {mathdoc}, volume = {09}, number = {4}, year = {1968}, mrnumber = {0262129}, zbl = {0211.01701}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1968__9_4_a9/} }
Bukovský, Lev. $\nabla$-model and distributivity in Boolean algebras. Commentationes Mathematicae Universitatis Carolinae, Tome 09 (1968) no. 4, pp. 595-612. http://geodesic.mathdoc.fr/item/CMUC_1968__9_4_a9/