@article{10_37236_530,
     author = {Yaokun Wu and Chengpeng Zhang},
     title = {Hyperbolicity and chordality of a graph},
     journal = {The electronic journal of combinatorics},
     year = {2011},
     volume = {18},
     number = {1},
     doi = {10.37236/530},
     zbl = {1220.05020},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/530/}
}