TY - JOUR AU - Vong, Vincent TI - Combinatorial proofs of freeness of some P-algebras JO - Discrete mathematics & theoretical computer science PY - 2015 VL - DMTCS Proceedings, 27th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2015) UR - http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.2514/ DO - 10.46298/dmtcs.2514 LA - en ID - DMTCS_2015_special_285_a58 ER -