@article{GDZPPN001264982, title = {The monoid of ordered partitions of a natural number.}, journal = {Semigroup forum}, volume = {53}, year = {1996}, pages = {44-56}, zbl = {0852.20050}, url = {http://dml.mathdoc.fr/item/GDZPPN001264982} }
Lavers, T.G. The monoid of ordered partitions of a natural number.. Semigroup forum, Tome 53 (1996) pp. 44-56. http://gdmltest.u-ga.fr/item/GDZPPN001264982/