@inproceedings{CIAA-2015-Szykula,
	author        = "Marek Szykula",
	booktitle     = "{Proceedings of the 20th International Conference on Implementation and Application of Automata}",
	doi           = "10.1007/978-3-319-22360-5_23",
	isbn          = "978-3-319-22359-9",
	pages         = "279--291",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Checking Whether an Automaton Is Monotonic Is NP-complete}",
	volume        = 9223,
	year          = 2015,
}