@article{TAC_2001_8_a6,
     author = {Mihaly Makkai and Marek Zawadowski},
     title = {Duality for {Simple} $\omega${-Categories} and {Disks}},
     journal = {Theory and applications of categories},
     pages = {114--243},
     year = {2001},
     volume = {8},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2001_8_a6/}
}