@article{10_4153_CMB_2011_185_5,
     author = {Liau, Pao-Kuei and Liu, Cheng-Kai},
     title = {On {Automorphisms} and {Commutativity} in {Semiprime} {Rings}},
     journal = {Canadian mathematical bulletin},
     pages = {584--592},
     year = {2013},
     volume = {56},
     number = {3},
     doi = {10.4153/CMB-2011-185-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-185-5/}
}