@article{BMMS_2012_35_4_a5,
     author = {V{\'\i}tor H. Fernandes and Teresa M. Quinteiro},
     title = {The {Cardinal} of {Various} {Monoids} of {Transformations} {That} {Preserve} a {Uniform} {Partition}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2012},
     volume = {35},
     number = {4},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2012_35_4_a5/}
}