@article{TAC_2017_32_a43,
     author = {Abdelkrim Aliouche and Carlos Simpson},
     title = {Approximate categorical structures},
     journal = {Theory and applications of categories},
     pages = {1522--1562},
     year = {2017},
     volume = {32},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2017_32_a43/}
}