@article{10_4171_ggd_195,
     author = {Pierre-Emmanuel Caprace and Ga\v{s}per Zadnik},
     title = {Regular elements in {CAT(0)} groups},
     journal = {Groups, geometry, and dynamics},
     pages = {535--541},
     year = {2013},
     volume = {7},
     number = {3},
     doi = {10.4171/ggd/195},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/195/}
}