@article{10_4171_ggd_373,
     author = {Kajal Das and Romain Tessera},
     title = {Integrable measure equivalence and the central extension of surface groups},
     journal = {Groups, geometry, and dynamics},
     pages = {965--983},
     year = {2016},
     volume = {10},
     number = {3},
     doi = {10.4171/ggd/373},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/373/}
}