@article{SLC_2020_81_a11,
     author = {Mireille Bousquet-M\'elou and \'Eric Fusy and Kilian Raschel},
     title = {Plane {Bipolar} {Orientations} and {Quadrant} {Walks}},
     journal = {S\'eminaire lotharingien de combinatoire},
     publisher = {mathdoc},
     volume = {81},
     year = {2020},
     url = {http://geodesic.mathdoc.fr/item/SLC_2020_81_a11/}
}