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when toggle format what by license comment
Sep 8, 2017 at 11:19 comment added Mikhail Goltvanitsa Thank you, for clarification. This is one of the subquestions of my question. But as I understand there is another algebraic essence of this factor as Peter Heinig pointed out.
Sep 7, 2017 at 5:08 history edited Chris McDaniel CC BY-SA 3.0
added 7 characters in body
Sep 7, 2017 at 3:43 history answered Chris McDaniel CC BY-SA 3.0