%0 Journal Article %A Kestelman, H. %T Self-Centred Sets %J Canadian journal of mathematics %D 1966 %P 974-980 %V 18 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-098-3/ %R 10.4153/CJM-1966-098-3 %F 10_4153_CJM_1966_098_3