Lenz, Tobias Max Planck Institute for Mathematics, Max Planck Society;
http://www.tac.mta.ca/tac/volumes/37/17/37-17abs.html (Publisher version)
Lenz_Parsummable categories as a strictification of symmetric monoidal categories_2021.pdf (Publisher version), 575KB
Lenz, T. (2021). Parsummable categories as a strictification of symmetric monoidal categories. Theory and Applications of Categories, 37(17), 482-529.