@article{ELA_2011__22__a28,
     author = {Li, Yanbo and Xiao, Zhankui},
     title = {Additivity of maps on generalized matrix algebras},
     journal = {The electronic journal of linear algebra},
     pages = {743--757},
     publisher = {mathdoc},
     volume = {22},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2011__22__a28/}
}