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@article{DCG_1989__4_6_131068, author = {M. Katz}, title = {Diameter-Extremal {Subsets} of {Spheres.}}, journal = {Discrete & computational geometry}, pages = {117--138}, publisher = {mathdoc}, volume = {4}, number = {6}, year = {1989}, zbl = {0663.52008}, url = {http://geodesic.mathdoc.fr/item/DCG_1989__4_6_131068/} }
M. Katz. Diameter-Extremal Subsets of Spheres.. Discrete & computational geometry, Tome 4 (1989) no. 6, pp. 117-138. http://geodesic.mathdoc.fr/item/DCG_1989__4_6_131068/