@article{10_4171_dm_593,
     author = {Rune Haugseng and David Gepner and Thomas Nikolaus},
     title = {Lax {Colimits} and {Free} {Fibrations} in $\infty${-Categories}},
     journal = {Documenta mathematica},
     pages = {1225--1266},
     year = {2017},
     volume = {22},
     doi = {10.4171/dm/593},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/593/}
}