@article{DMTCS_2020_special_379_a91,
     author = {Viard, Francois},
     title = {Extending the weak order on {Coxeter} groups},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {DMTCS Proceedings, 28th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2016)},
     year = {2020},
     doi = {10.46298/dmtcs.6409},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.6409/}
}