%0 Journal Article %A Tijs, S. H. %A Borwein, J. M. %T Some Generalizations of Carathéodory′s Theorem Via Barycentres, with Application to Mathematical Programming %J Canadian mathematical bulletin %D 1980 %P 339-346 %V 23 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1980-048-x/ %R 10.4153/CMB-1980-048-x %F 10_4153_CMB_1980_048_x