@article{BMMS_2013_36_2_a3,
     author = {C. Ratanaprasert and S. Thiranantanakorn},
     title = {Modular and {Distributive} {Congruence} {Lattices} of {Monounary} {Algebras}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2013},
     volume = {36},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2013_36_2_a3/}
}