@article {MR2451991,
	title = {On divisors of pseudovarieties generated by some classes of full transformation semigroups},
	journal = {Algebra Colloq.},
	volume = {15},
	number = {4},
	year = {2008},
	pages = {581{\textendash}588},
	issn = {1005-3867},
	author = {Fernandes, V{\'\i}tor H.}
}
