@inproceedings{DAC-2004-TanGQ,
	author        = "Sheldon X.-D. Tan and Weikun Guo and Zhenyu Qi",
	booktitle     = "{Proceedings of the 41st Design Automation Conference}",
	doi           = "10.1145/996566.996795",
	isbn          = "1-58113-828-8",
	pages         = "860--863",
	publisher     = "{ACM}",
	title         = "{Hierarchical approach to exact symbolic analysis of large analog circuits}",
	year          = 2004,
}