@article{05003621,
title = {Subdirectly irreducible quasi-modal algebras.},
journal = {Acta Mathematica Universitatis Comenianae. New Series},
volume = {74},
year = {2005},
pages = {219-228},
zbl = {1138.06300},
language = {en},
url = {http://dml.mathdoc.fr/item/05003621}
}
Celani, S.A. Subdirectly irreducible quasi-modal algebras.. Acta Mathematica Universitatis Comenianae. New Series, Tome 74 (2005) pp. 219-228. http://gdmltest.u-ga.fr/item/05003621/