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when toggle format what by license comment
Dec 23, 2013 at 22:06 history edited Alain Valette CC BY-SA 3.0
edited body
Dec 23, 2013 at 22:04 vote accept Ulrich Pennig
Dec 23, 2013 at 22:04 comment added Ulrich Pennig Do you mean $K_0$ instead of $K_1$?
Dec 23, 2013 at 22:00 history answered Alain Valette CC BY-SA 3.0