%0 Journal Article %A Azevedo, Sergio %T A Basis for Z-Graded Identities of Matrices over Infinite Fields %J Serdica Mathematical Journal %D 2003 %P 149-158 %V 29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SMJ2_2003_29_2_a3/ %G en %F SMJ2_2003_29_2_a3