@article{DMTCS_2005_special_249_a0,
     author = {Gittenberger, Bernhard},
     title = {The profile of unlabeled trees},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {DMTCS Proceedings vol. AD, International Conference on Analysis of Algorithms},
     year = {2005},
     doi = {10.46298/dmtcs.3352},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.3352/}
}