@article{DMTCS_2009_special_256_a1,
     author = {Mastnak, Mitja and Nica, Alexandru},
     title = {Hopf algebras and the logarithm of the {S-transform} in free probability {\textemdash} {Extended} abstract},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {DMTCS Proceedings vol. AK, 21st International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2009)},
     year = {2009},
     doi = {10.46298/dmtcs.2679},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.2679/}
}