On the rank of semigroups of transformations on a finite set with restricted range

Citation:
Fernandes, Vítor H., and Jintana Sanwong. "On the rank of semigroups of transformations on a finite set with restricted range." Algebra Colloquium. 21.3 (2014): 497-510.

Notes:

DOI: 10.1142/S1005386714000431