@article{SF_1996__53_2_135498,
     author = {A. Solomon},
     title = {Catalan monoids, monoids of local endomorphisms, and their presentations.},
     journal = {Semigroup forum},
     pages = {351--368},
     publisher = {mathdoc},
     volume = {53},
     number = {2},
     year = {1996},
     zbl = {0862.20049},
     url = {http://geodesic.mathdoc.fr/item/SF_1996__53_2_135498/}
}