@article{TAC_2016_31_a35,
     author = {Vladimir Voevodsky},
     title = {Products of families of types and $(\Pi,\lambda)$-structures on {C-systems}},
     journal = {Theory and applications of categories},
     pages = {1044--1094},
     publisher = {mathdoc},
     volume = {31},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2016_31_a35/}
}