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when toggle format what by license comment
Apr 13, 2017 at 12:58 history edited CommunityBot
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Feb 7, 2013 at 13:19 answer added Ingo Blechschmidt timeline score: 4
Aug 3, 2010 at 17:03 history edited Martin Brandenburg CC BY-SA 2.5
added 226 characters in body
Aug 3, 2010 at 16:52 history asked Martin Brandenburg CC BY-SA 2.5