@article{05248914,
title = {Congruence kernels of orthoimplication algebras.},
journal = {Acta Mathematica Universitatis Comenianae. New Series},
volume = {76},
year = {2007},
pages = {231-240},
zbl = {1164.06005},
language = {en},
url = {http://dml.mathdoc.fr/item/05248914}
}
Chajda, I.; Halaš, R.; Länger, H. Congruence kernels of orthoimplication algebras.. Acta Mathematica Universitatis Comenianae. New Series, Tome 76 (2007) pp. 231-240. http://gdmltest.u-ga.fr/item/05248914/