@article{10_37236_745,
     author = {Edward A. Bender and E. Rodney Canfield and L. Bruce Richmond},
     title = {Coefficients of functional compositions often grow smoothly},
     journal = {The electronic journal of combinatorics},
     year = {2008},
     volume = {15},
     doi = {10.37236/745},
     zbl = {1158.05303},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/745/}
}