%0 Journal Article %A Sjödin, Tord %T On almost everywhere differentiability of the metric projection on closed sets in $l^p(\mathbb R^n)$, $2 %J Czechoslovak Mathematical Journal %D 2018 %P 943-951 %V 68 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2018.0038-17/ %R 10.21136/CMJ.2018.0038-17 %G en %F 10_21136_CMJ_2018_0038_17