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The twisted tensor product of dg categories and a contractible 2-operad. (arXiv:1807.04305v1 [math.CT]) http://arxiv.org/abs/1807.04305
The twisted tensor product of dg categories and a contractible 2-operad. (arXiv:1807.04305v1 [math.CT]) http://arxiv.org/abs/1807.04305