%0 Journal Article %A M. Katz %T Diameter-Extremal Subsets of Spheres. %J Discrete & computational geometry %D 1989 %P 117-138 %V 4 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DCG_1989__4_6_131068/ %F DCG_1989__4_6_131068