@article{DMTCS_2005_special_250_a38,
     author = {Evans, William and Safari, Mohammad Ali},
     title = {Directed {One-Trees}},
     journal = {Discrete mathematics & theoretical computer science},
     year = {2005},
     volume = {DMTCS Proceedings vol. AE, European Conference on Combinatorics, Graph Theory and Applications (EuroComb '05)},
     doi = {10.46298/dmtcs.3429},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.3429/}
}