@inproceedings{FM-2015-0009ZZZ,
	author        = "Jiang Liu and Naijun Zhan and Hengjun Zhao and Liang Zou",
	booktitle     = "{Proceedings of the 20th International Symposium of Formal Methods}",
	doi           = "10.1007/978-3-319-19249-9_23",
	isbn          = "978-3-319-19248-2",
	pages         = "360--377",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Abstraction of Elementary Hybrid Systems by Variable Transformation}",
	volume        = 9109,
	year          = 2015,
}