@article {chen2008testing,
	title = {Testing homogeneity in a mixture of von Mises distributions with a structural parameter},
	journal = {Canadian Journal of Statistics},
	volume = {36},
	number = {1},
	year = {2008},
	pages = {129{\textendash}142},
	publisher = {Wiley Online Library},
	author = {Chen, Jiahua and Li, Pengfei and Fu, Yuejiao}
}
