@article {MR3430360,
	title = {Two generalizations of homogeneity in groups with applications to regular semigroups},
	journal = {Trans. Amer. Math. Soc.},
	volume = {368},
	number = {2},
	year = {2016},
	note = {n/a},
	pages = {1159{\textendash}1188},
	abstract = {n/a},
	issn = {0002-9947},
	doi = {10.1090/tran/6368},
	url = {https://doi.org/10.1090/tran/6368},
	author = {Ara{\'u}jo, Jo{\~a}o and Cameron, Peter J.}
}
