@article{SLC_2018_80B_a14,
     author = {Christophe Hohlweg and Vincent Pilaud and Salvatore Stella},
     title = {Universal {Associahedra}},
     journal = {S\'eminaire lotharingien de combinatoire},
     publisher = {mathdoc},
     volume = {80B},
     year = {2018},
     url = {http://geodesic.mathdoc.fr/item/SLC_2018_80B_a14/}
}