@article{10_37236_393,
     author = {Jason P. Bell and Stanley N. Burris and Karen A. Yeats},
     title = {Characteristic points of recursive systems},
     journal = {The electronic journal of combinatorics},
     year = {2010},
     volume = {17},
     doi = {10.37236/393},
     zbl = {1221.05019},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/393/}
}