@article{10_37236_679,
     author = {Demetres Christofides and Klas Markstr\"om},
     title = {The guessing number of undirected graphs},
     journal = {The electronic journal of combinatorics},
     year = {2011},
     volume = {18},
     number = {1},
     doi = {10.37236/679},
     zbl = {1337.05077},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/679/}
}