Batanin, Michael Max Planck Institute for Mathematics, Max Planck Society;
Markl, Martin Max Planck Institute for Mathematics, Max Planck Society;
Batanin, M., & Markl, M. (2015). Operadic categories and duoidal Deligne's conjecture. Advances in Mathematics, 285, 1630-1687. doi:10.1016/j.aim.2015.07.008.