@inproceedings{CIAA-2018-BartholdiGKP,
	author        = "Laurent Bartholdi and Thibault Godin and Ines Klimann and Matthieu Picantin",
	booktitle     = "{Proceedings of the 23rd International Conference on Implementation and Application of Automata}",
	doi           = "10.1007/978-3-319-94812-6_7",
	isbn          = "['978-3-319-94811-9', '978-3-319-94812-6']",
	pages         = "71--83",
	publisher     = "{Springer}",
	title         = "{A New Hierarchy for Automaton Semigroups}",
	year          = 2018,
}