@article {MR1831507,
	title = {The monoid of all injective order preserving partial transformations on a finite chain},
	journal = {Semigroup Forum},
	volume = {62},
	number = {2},
	year = {2001},
	pages = {178{\textendash}204},
	issn = {0037-1912},
	author = {Fernandes, V. H.}
}
