TY - JOUR AU - Katz, M. TI - Diameter-Extremal Subsets of Spheres. JO - Discrete & computational geometry PY - 1989 VL - 4 IS - 2 SP - 117 EP - 138 KW - diameter-extremal set; critical point; sphere; Hausdorff metric UR - http://eudml.org/doc/131068 ER -