@article{10_4153_CMB_2014_002_2,
     author = {Morita, Jun and R\'emy, Bertrand},
     title = {Simplicity of {Some} {Twin} {Tree} {Automorphism} {Groups} with {Trivial} {Commutation} {Relations}},
     journal = {Canadian mathematical bulletin},
     pages = {390--400},
     year = {2014},
     volume = {57},
     number = {2},
     doi = {10.4153/CMB-2014-002-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2014-002-2/}
}