no. 2
On the “Bruhat graph” of a Coxeter system
Compositio Mathematica, Tome 78 (1991) no. 2, pp. 185-191 
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     author = {Dyer, Matthew},
     title = {On the {{\textquotedblleft}Bruhat} graph{\textquotedblright} of a {Coxeter} system},
     journal = {Compositio Mathematica},
     pages = {185--191},
     year = {1991},
     publisher = {Kluwer Academic Publishers},
     volume = {78},
     number = {2},
     mrnumber = {1104786},
     zbl = {0784.20019},
     language = {en},
     url = {https://www.numdam.org/item/CM_1991__78_2_185_0/}
}
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Dyer, Matthew. On the “Bruhat graph” of a Coxeter system. Compositio Mathematica, Tome 78 (1991) no. 2, pp. 185-191. https://www.numdam.org/item/CM_1991__78_2_185_0/

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