@article{JOLT_2004_14_1_a4,
     author = {Sarah B. Perkins, Peter J. Rowley},
     title = {Lengths of {Involutions} in {Coxeter} {Groups}},
     journal = {Journal of Lie Theory},
     pages = {69--71},
     year = {2004},
     volume = {14},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2004_14_1_a4/}
}