@article{JEMS_2015_17_9_a4,
     author = {Inkang Kim and Pierre Pansu},
     title = {Flexibility of surface groups in classical simple {Lie} groups},
     journal = {Journal of the European Mathematical Society},
     pages = {2209--2242},
     year = {2015},
     volume = {17},
     number = {9},
     doi = {10.4171/jems/555},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/555/}
}