@article{10_37236_1699,
     author = {David Cariolaro and Gianfranco Cariolaro},
     title = {Colouring the petals of a graph},
     journal = {The electronic journal of combinatorics},
     year = {2003},
     volume = {10},
     doi = {10.37236/1699},
     zbl = {1011.05022},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1699/}
}