@article{DMTCS_2005_special_250_a16,
     author = {Ne\v{s}et\v{r}il, Jaroslav and Nigussie, Yared},
     title = {Density of universal classes of series-parallel graphs},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {DMTCS Proceedings vol. AE, European Conference on Combinatorics, Graph Theory and Applications (EuroComb '05)},
     year = {2005},
     doi = {10.46298/dmtcs.3407},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.3407/}
}