@article{Ichimura1993,
	title = {Semiparametric least squares (SLS) and weighted SLS estimation of single-index models},
	author = {Hidehiko Ichimura},
	journal = {Journal of Econometrics},
	month = {Jul},
	number = {1-2},
	pages = {71--120},
	url = {http://www.sciencedirect.com/science/article/B6VC0-4582D09-2G/2/65b75e15668829573e08aac759043cbc},
	volume = {58},
	year = {1993},
	biburl = {http://www.bibsonomy.org/bibtex/299624d42d9fa4983ad990fe06c4dfe44/smicha},
	description = {Journal of Econometrics},
	keywords = {imported }
}