@article{10_37236_3367,
     author = {P\'eter P\'al Pach and Gabriella Pluh\'ar and Andr\'as Pongr\'acz and Csaba Szab\'o},
     title = {The number of rooted trees of given depth},
     journal = {The electronic journal of combinatorics},
     year = {2013},
     volume = {20},
     number = {2},
     doi = {10.37236/3367},
     zbl = {1266.05011},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/3367/}
}