@article{ELA_2011__22__a61,
     author = {Livshits, L. and Macdonald, G. and Radjavi, H.},
     title = {Multiplicative diagonals of matrix semigroups},
     journal = {The electronic journal of linear algebra},
     pages = {252--266},
     publisher = {mathdoc},
     volume = {22},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2011__22__a61/}
}