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when toggle format what by license comment
Jun 3, 2010 at 20:06 comment added Bedini You are right, my answer was incorrect.
Jun 3, 2010 at 19:24 comment added Mariano Suárez-Álvarez How do you want $G$ to act?
Jun 3, 2010 at 19:18 history answered Bedini CC BY-SA 2.5