Éric Fusy, Dominique Poulalhon, Gilles Schaeffer. Bijective counting of plane bipolar orientations. Electronic Notes in Discrete Mathematics, 29:283-287, 2007. [doi]
@article{FusyPS07,
title = {Bijective counting of plane bipolar orientations},
author = {Éric Fusy and Dominique Poulalhon and Gilles Schaeffer},
year = {2007},
doi = {10.1016/j.endm.2007.07.049},
url = {http://dx.doi.org/10.1016/j.endm.2007.07.049},
researchr = {https://researchr.org/publication/FusyPS07},
cites = {0},
citedby = {0},
journal = {Electronic Notes in Discrete Mathematics},
volume = {29},
pages = {283-287},
}