@article{TAC_2020_35_a25,
     author = {Brendan Fong and Maru Sarazola},
     title = {A recipe for black box functors},
     journal = {Theory and applications of categories},
     pages = {979--1011},
     publisher = {mathdoc},
     volume = {35},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2020_35_a25/}
}