@article{SLC_2014-2015_72_a3,
     author = {B\'er\'enice Oger},
     title = {Incidence {Hopf} {Algebra} of the {Hypertree} {Posets}},
     journal = {S\'eminaire lotharingien de combinatoire},
     publisher = {mathdoc},
     volume = {72},
     year = {2014-2015},
     url = {http://geodesic.mathdoc.fr/item/SLC_2014-2015_72_a3/}
}