%0 Journal Article %A N. N. Hai %A P. T. An %T A Generalization of Blaschke's Convergence Theorem in Metric Spaces %J Journal of convex analysis %D 2013 %P 1013-1024 %V 20 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2013_20_4_JCA_2013_20_4_a7/ %F JCA_2013_20_4_JCA_2013_20_4_a7