1. Optimal Control and Viscosity Solutions of Hamilton–Jacobi–Bellman Equations;Bardi,1997
2. Solutions de viscosite des equations de Hamilton–Jacobi;Barles,1994
3. Interior gradient bounds for the mean curvature equation by viscosity solutions methods;Barles;Differential Integral Equations,1991
4. Nonlinear Neumann boundary conditions for quasilinear degenerate elliptic equations and applications;Barles;J. Differential Equations,1999
5. A geometrical approach to front propagation problems in bounded domains with Neumann-type boundary conditions;Barles;Interfaces and Free Boundaries,2003