@article{CMUC_2009_50_1_a1,
     author = {Pilitowska, Agata},
     title = {Linear identities in graph algebras},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {11--24},
     year = {2009},
     volume = {50},
     number = {1},
     mrnumber = {2562800},
     zbl = {1212.08004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2009_50_1_a1/}
}