@article {wang2005derivation,
	title = {Derivation of mixture distributions and weighted likelihood function as minimizers of KL-divergence subject to constraints},
	journal = {Annals of the Institute of Statistical Mathematics},
	volume = {57},
	number = {4},
	year = {2005},
	pages = {687{\textendash}701},
	publisher = {Springer},
	author = {Wang, Xiaogang and Zidek, James V}
}
