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Oct 11, 2011 at 12:32 answer added André Schlichting timeline score: 4
Oct 11, 2011 at 12:20 vote accept Matthias Ludewig
Oct 11, 2011 at 11:50 answer added Igor Rivin timeline score: 3
Oct 11, 2011 at 11:26 history asked Matthias Ludewig CC BY-SA 3.0