@article {Bordemann:February 1999:0393-0440:199,
	author = "Bordemann M.",
	author = "Neumaier N.",
	author = "Waldmann S.",
	title = "Homogeneous Fedosov star products on cotangent bundles II: GNS representations, the WKB expansion, traces, and applications",
	journal = "Journal of Geometry and Physics",
	volume = "29",
	year = "February 1999",
	abstract = "",
	pages = "199-234(36)",
	url = "http://www.ingentaconnect.com/content/els/03930440/1999/00000029/00000003/art00041"
	doi = "doi:10.1016/S0393-0440(98)00041-2"
}