@article{10_1017_S2040618500034250,
     author = {Leech, John and Mennicke, Jens},
     title = {Note on a conjecture of {Coxeter}},
     journal = {Glasgow mathematical journal},
     pages = {25--29},
     year = {1961},
     volume = {5},
     number = {1},
     doi = {10.1017/S2040618500034250},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S2040618500034250/}
}