%0 Journal Article %A Christoph Wockel %A Chenchang Zhu %T Integrating central extensions of Lie algebras via Lie 2-groups %J Journal of the European Mathematical Society %D 2016 %P 1273-1320 %V 18 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/613/ %R 10.4171/jems/613 %F JEMS_2016_18_6_a3