Solution to a combinatorial puzzle arising from Mayer's theory of cluster integrals. Bernardi, Olivier — 2007 Séminaire Lotharingien de Combinatoire [electronic only]
Bijective counting of tree-rooted maps and shuffles of parenthesis systems. Bernardi, Olivier — 2007 The Electronic Journal of Combinatorics [electronic only]
Tutte polynomial, subgraphs, orientations and sandpile model: new connections via embeddings. Bernardi, Olivier — 2008 The Electronic Journal of Combinatorics [electronic only]