@article{10_4171_ggd_66,
     author = {Piotr Przytycki and Jacek \'Swi\k{a}tkowski},
     title = {Flag-no-square triangulations and {Gromov} boundaries  in dimension 3},
     journal = {Groups, geometry, and dynamics},
     pages = {453--468},
     year = {2009},
     volume = {3},
     number = {3},
     doi = {10.4171/ggd/66},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/66/}
}