@inproceedings{LATA-2010-JordanZ,
	author        = "Charles Jordan and Thomas Zeugmann",
	booktitle     = "{Proceedings of the Fourth International Conference on Language and Automata Theory and Applications}",
	doi           = "10.1007/978-3-642-13089-2_28",
	isbn          = "978-3-642-13088-5",
	pages         = "333--343",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Untestable Properties Expressible with Four First-Order Quantifiers}",
	volume        = 6031,
	year          = 2010,
}