@article{CTGDC_2009__50_2_83_0,
     author = {Cheng, Eugenia and Makkai, Michael},
     title = {A note on the pennon definition of n-category},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     eid = {1},
     pages = {83--101},
     publisher = {Andr\'ee CHARLES EHRESMANN},
     volume = {50},
     number = {2},
     year = {2009},
     mrnumber = {2535162},
     zbl = {1209.18006},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_2009__50_2_83_0/}
}