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when toggle format what by license comment
Apr 13, 2017 at 12:21 history edited CommunityBot
replaced http://math.stackexchange.com/ with https://math.stackexchange.com/
Feb 6, 2012 at 5:30 comment added Jonas Meyer This is a minor variant of André Nicolas's answer (written independently).
Feb 5, 2012 at 23:04 history answered Jonas Meyer CC BY-SA 3.0