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According to Lyusternik ''Convex Figures and Polyhedra'', the theorem was first proved by a Lettish mathematician named Bol. No references are provided. Anyone know what this is about?--[[User:192.35.35.36|192.35.35.36]] 00:08, 18 Feb 2005 (UTC)
== External links modified ==
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== "Constructive proof"? ==
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