@article {MR2824546,
	title = {Groups that together with any transformation generate regular semigroups for idempotent generated semigroups},
	journal = {J. Algebra},
	volume = {343},
	year = {2011},
	note = {n/a},
	pages = {93{\textendash}106},
	abstract = {n/a},
	issn = {0021-8693},
	doi = {10.1016/j.jalgebra.2011.07.002},
	url = {https://doi.org/10.1016/j.jalgebra.2011.07.002},
	author = {J. Ara{\'u}jo and Mitchell, J. D. and Schneider, Csaba}
}
