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Timeline for Proof of the Reidemeister theorem

Current License: CC BY-SA 3.0

2 events
when toggle format what by license comment
Oct 6, 2014 at 12:14 history edited Reza Rezazadegan CC BY-SA 3.0
added 1 character in body
Oct 6, 2014 at 10:59 history answered Reza Rezazadegan CC BY-SA 3.0