%0 Journal Article %A André Joyal %A Joachim Kock %T Coherence for weak units %J Documenta mathematica %D 2013 %P 71-110 %V 18 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/392/ %R 10.4171/dm/392 %F 10_4171_dm_392