@article{10_37236_1603,
     author = {G. L. Cohen and E. Tonkes},
     title = {Dartboard arrangements},
     journal = {The electronic journal of combinatorics},
     year = {2001},
     volume = {8},
     number = {2},
     doi = {10.37236/1603},
     zbl = {0981.05003},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1603/}
}