@article{10_37236_1751,
     author = {Gordon F. Royle},
     title = {The rank of a cograph},
     journal = {The electronic journal of combinatorics},
     year = {2003},
     volume = {10},
     doi = {10.37236/1751},
     zbl = {1024.05058},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1751/}
}