@article {Gustafson1996f,
	title = {Model influence functions based on mixtures},
	journal = {Canadian Journal of Statistics},
	volume = {24},
	number = {4},
	year = {1996},
	pages = {535{\textendash}548},
	publisher = {Wiley Online Library},
	doi = {10.2307/3315332},
	author = {Gustafson, Paul}
}
