The cardinal and the idempotent number of various monoids of transformations on a finite chain.
Citation:
Fernandes, Vítor H., Gracinda M. S. Gomes, and Manuel M. Jesus. "The cardinal and the idempotent number of various monoids of transformations on a finite chain." Bull. Malays. Math. Sci. Soc. (2). 34 (2011): 79-85.
