%0 Journal Article %A Barrett, John W. %A Blowey, James F. %T An optimal error bound for a finite element approximation of a model for phase separation of a multi-component alloy with non-smooth free energy %J ESAIM: Mathematical Modelling and Numerical Analysis %D 1999 %P 971-987 %V 33 %N 5 %I EDP-Sciences %U http://geodesic.mathdoc.fr/item/M2AN_1999__33_5_971_0/ %G en %F M2AN_1999__33_5_971_0