@article{Hallin2001,
	title = {Sample heterogeneity and M-estimation},
	author = {Marc Hallin and Ivan Mizera},
	journal = {Journal of Statistical Planning and Inference},
	month = {Feb},
	number = {1-2},
	pages = {139--160},
	url = {http://www.sciencedirect.com/science/article/B6V0M-428DMYB-C/1/1f7c724f16b5d8739690fcb84a916e6d},
	volume = {93},
	year = {2001},
	biburl = {http://www.bibsonomy.org/bibtex/2a9a91d2d5b06f66dbd89a03a8196ab36/smicha},
	keywords = {Robustness }
}