%0 Journal Article %A Baiocchi, C. %A Pozzi, G. A. %T Error estimates and free-boundary convergence for a finite difference discretization of a parabolic variational inequality %J ESAIM: Mathematical Modelling and Numerical Analysis %D 1977 %P 315-340 %V 11 %N 4 %I Centrale des revues, Dunod-Gauthier-Villars %C Montreuil %U http://geodesic.mathdoc.fr/item/M2AN_1977__11_4_315_0/ %G en %F M2AN_1977__11_4_315_0