@article {474,
	title = {On the rank of semigroups of transformations on a finite set with restricted range},
	journal = {Algebra Colloquium},
	volume = {21},
	year = {2014},
	note = {<p>DOI: 10.1142/S1005386714000431</p>
},
	pages = {497-510},
	url = {https://doi.org/10.1142/S1005386714000431},
	attachments = {https://docentes.fct.unl.pt/sites/default/files/vhf/files/rankrestrirange61.pdf},
	author = {Fernandes, V{\'\i}tor H. and Sanwong, Jintana}
}
