@article {Wang:July 2003:0278-1077:599,
	author = "Wang X.",
	title = "Quaternionic Mobius Transformations and Subgroups",
	journal = "Complex Variables",
	volume = "48",
	year = "July 2003",
	abstract = "In this article, quaternionic Möbius transformations and subgroups are studied. Several basic results are obtained.",
	pages = "599-606(8)",
	url = "http://www.ingentaconnect.com/content/tandf/gcva/2003/00000048/00000007/art00005"
	doi = "doi:10.1080/0278107031000151220"
}