@article{publication-23120,
	author={Ledoit, Olivier and Wolf, Michael},
	doi={10.3150/20-bej1315},
	issn={1350-7265},
	journal={Bernoulli},
	number=3,
	pages={1519-1547},
	publisher={International Statistical Institute},
	title={Quadratic shrinkage for large covariance matrices},
	volume=28,
	year=2022,
}