@article{10_37236_1618,
     author = {Yuejian Peng and Vojtech R\"odl and Andrzej Ruci\'nski},
     title = {Holes in graphs},
     journal = {The electronic journal of combinatorics},
     year = {2002},
     volume = {9},
     doi = {10.37236/1618},
     zbl = {0992.05048},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1618/}
}