@article{10_2140_agt_2007_7_919,
     author = {Mihalik, Michael and Ratcliffe, John G and Tschantz, Steven T},
     title = {Matching theorems for systems of a finitely generated {Coxeter} group},
     journal = {Algebraic and Geometric Topology},
     pages = {919--956},
     year = {2007},
     volume = {7},
     number = {2},
     doi = {10.2140/agt.2007.7.919},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2007.7.919/}
}