@article{SLC_2017_78B_a32,
     author = {Darij Grinberg},
     title = {Double {Posets} and the {Antipode} of {QSym}},
     journal = {S\'eminaire lotharingien de combinatoire},
     publisher = {mathdoc},
     volume = {78B},
     year = {2017},
     url = {http://geodesic.mathdoc.fr/item/SLC_2017_78B_a32/}
}