@article{Efromovich1996,
	title = {Asymptotic equivalence of nonparametric regression and white noise
	model has its limits},
	author = {Sam Efromovich and Alex Samarov},
	day = {15},
	journal = {Statistics \& Probability Letters},
	month = {Jun},
	number = {2},
	pages = {143--145},
	url = {http://www.sciencedirect.com/science/article/B6V1D-3VS5GT6-P/1/13e5fc58d81e611766e53885fa148e3e},
	volume = {28},
	year = {1996},
	biburl = {http://www.bibsonomy.org/bibtex/2f467ddc8cddaa6dbfec7fe54d1b20e4e/smicha},
	keywords = {Quadratic functional }
}