Bair, J., & Haesbroeck, G. (March 2013). Prix Nobel d'Economie et mathématiques. Losanges, 20, 43-50. https://hdl.handle.net/2268/148748
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Croux, C., & Haesbroeck, G. (2000). Principal component analysis based on robust estimators of the covariance or correlation matrix: Influence functions and efficiencies. Biometrika, 87 (3), 603-618. doi:10.1093/biomet/87.3.603 https://hdl.handle.net/2268/28461