%0 Journal Article %A Barles, G. %A Perthame, B. %T Discontinuous solutions of deterministic optimal stopping time problems %J ESAIM: Mathematical Modelling and Numerical Analysis %D 1987 %P 557-579 %V 21 %N 4 %I AFCET - Gauthier-Villars %C Paris %U http://geodesic.mathdoc.fr/item/M2AN_1987__21_4_557_0/ %G en %F M2AN_1987__21_4_557_0