@article{DMGAA_2006_26_2_a4,
     author = {Gyudzhenov, Iliya and Dimitrova, Ilinka},
     title = {On the maximal subsemigroups of the semigroup of all monotone transformations},
     journal = {Discussiones Mathematicae. General Algebra and Applications},
     pages = {199--217},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGAA_2006_26_2_a4/}
}