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when toggle format what by license comment
Jun 1, 2012 at 19:32 comment added András Bátkai Asked simultaneously at math.stackexchange.com/questions/152528/…
Jun 1, 2012 at 17:13 vote accept Changjing Zhuge
Jun 1, 2012 at 16:42 answer added Pietro Majer timeline score: 2
Jun 1, 2012 at 16:27 history asked Changjing Zhuge CC BY-SA 3.0