@article{BMMS_2010_33_2_a1,
     author = {Peter Lewin and David Pask},
     title = {Simplicity of {2-Graph} {Algebras} {Associated} to {Dynamical} {Systems}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2010},
     volume = {33},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2010_33_2_a1/}
}