@article{10_37236_4814,
     author = {J. Fernando Barbero G. and Jes\'us Salas and Eduardo J.S. Villase\~nor},
     title = {Generalized {Stirling} permutations and forests: higher-order {Eulerian} and {Ward} numbers},
     journal = {The electronic journal of combinatorics},
     year = {2015},
     volume = {22},
     number = {3},
     doi = {10.37236/4814},
     zbl = {1323.05003},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/4814/}
}