@article{TAC_2015_30_a36,
     author = {Vladimir Voevodsky},
     title = {A {C-system} defined by a universe category},
     journal = {Theory and applications of categories},
     pages = {1181--1214},
     publisher = {mathdoc},
     volume = {30},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2015_30_a36/}
}