%0 Journal Article %A J.M. Lasry %A Lions P.L. %T Nonlinear Elliptic Equations with Singular Boundary Conditions and Stochastic Control with State Constraints. I. The Model Problem. %J Mathematische Annalen %D 1989 %P 583-630 %V 283 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1989__283_1_164529/ %F MAN_1989__283_1_164529