@article{10_37236_468,
     author = {Matt Szczesny},
     title = {Colored trees and noncommutative symmetric functions},
     journal = {The electronic journal of combinatorics},
     year = {2010},
     volume = {17},
     doi = {10.37236/468},
     zbl = {1207.05215},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/468/}
}