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You are looking for the theory of stacks. The Wikipedia article will get you started. Or see the article by Tomas, which is quite readable (if you have the right background). See especially example 2.33 in that paper.
You are looking for the theory of stacks. The Wikipedia article will get you started.
You are looking for the theory of stacks. The Wikipedia article will get you started. Or see the article by Tomas, which is quite readable (if you have the right background). See especially example 2.33 in that paper.
