@article{1093890816,
author = {Soboci\'nski, Boles\l aw},
title = {Remark about the Boolean parts in the postulate-systems of closure, derivative and projective algebras.},
journal = {Notre Dame J. Formal Logic},
volume = {14},
number = {1},
year = {1973},
pages = { 111-117},
language = {en},
url = {http://dml.mathdoc.fr/item/1093890816}
}
Sobociński, Bolesław. Remark about the Boolean parts in the postulate-systems of closure, derivative and projective algebras.. Notre Dame J. Formal Logic, Tome 14 (1973) no. 1, pp. 111-117. http://gdmltest.u-ga.fr/item/1093890816/