@article{TAC_2024_40_a4,
     author = {Robert Par\'e},
     title = {Retrocells},
     journal = {Theory and applications of categories},
     pages = {130--179},
     year = {2024},
     volume = {40},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2024_40_a4/}
}