%0 Journal Article %A Gepner, David %A Haugseng, Rune %A Nikolaus, Thomas %T Lax Colimits and Free Fibrations in $\infty$-Categories %J Documenta mathematica %D 2017 %P 1225-1266 %V 22 %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2017__22__a16/ %G en %F DOCMA_2017__22__a16