@article{BMMS_2006_29_1_a5,
     author = {Young Bae Jun and Yang Xu and Keyun Qin},
     title = {Intersection {Preserving} and {Global} {Expansions} of {Subalgebras} and
        {Filters} in {Lattice} {Implication} {Algebras}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2006},
     volume = {29},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2006_29_1_a5/}
}