%0 Journal Article %A Robert Kaufman %T PCA sets and convexity %J Fundamenta Mathematicae %D 2000 %P 267-275 %V 163 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-163-3-267-275/ %R 10.4064/fm-163-3-267-275 %G en %F 10_4064_fm_163_3_267_275