%0 Journal Article %A Schoen, Tomasz %T On Convolutions of Convex Sets and Related Problems %J Canadian mathematical bulletin %D 2014 %P 877-883 %V 57 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2013-041-8/ %R 10.4153/CMB-2013-041-8 %F 10_4153_CMB_2013_041_8