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when toggle format what by license comment
Aug 25, 2019 at 7:11 comment added Dimitri Koshelev Thank you very much! I also proposed the equation that you wrote, but I was not sure.
Aug 25, 2019 at 7:09 vote accept Dimitri Koshelev
Aug 24, 2019 at 21:37 history answered Will Sawin CC BY-SA 4.0