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@article{MZ_1958__69_169728, author = {V.L. Klee jr.}, title = {Extremal structure of convex sets. {II}}, journal = {Mathematische Zeitschrift}, pages = {90--104}, publisher = {mathdoc}, volume = {69}, year = {1958}, zbl = {0079.12502}, url = {http://geodesic.mathdoc.fr/item/MZ_1958__69_169728/} }
V.L. Klee jr. Extremal structure of convex sets. II. Mathematische Zeitschrift, Tome 69 (1958), pp. 90-104. http://geodesic.mathdoc.fr/item/MZ_1958__69_169728/