@article{10_4153_CMB_2001_011_9,
     author = {Neumann, B. H.},
     title = {Some {Semigroup} {Laws} in {Groups}},
     journal = {Canadian mathematical bulletin},
     pages = {93--96},
     year = {2001},
     volume = {44},
     number = {1},
     doi = {10.4153/CMB-2001-011-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2001-011-9/}
}