%0 Journal Article %A Vladimir Voevodsky %T Products of families of types and $(\Pi,\lambda)$-structures on C-systems %J Theory and applications of categories %D 2016 %P 1044-1094 %V 31 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAC_2016_31_a35/ %G en %F TAC_2016_31_a35