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when toggle format what by license comment
May 13, 2021 at 16:26 history edited coudy CC BY-SA 4.0
Better math layout
Jul 1, 2010 at 10:00 comment added Paul Siegel Upvoted enthusiastically - I've had a lot of fun looking into these references. Thanks!
Jun 22, 2010 at 7:55 history answered coudy CC BY-SA 2.5