@article{10_37236_344,
     author = {Christophe Hohlweg and Jonathan Lortie and Annie Raymond},
     title = {The centers of gravity of the associahedron and of the permutahedron are the same},
     journal = {The electronic journal of combinatorics},
     year = {2010},
     volume = {17},
     doi = {10.37236/344},
     zbl = {1225.05246},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/344/}
}