@article{DMTCS_2015_special_285_a58,
     author = {Vong, Vincent},
     title = {Combinatorial proofs of freeness of some {P-algebras}},
     journal = {Discrete mathematics & theoretical computer science},
     year = {2015},
     volume = {DMTCS Proceedings, 27th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2015)},
     doi = {10.46298/dmtcs.2514},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.2514/}
}