Day, Martin V. On Lagrange manifolds and viscosity solutions. (English) Zbl 1130.49306 J. Math. Syst. Estim. Control 8, No. 3, 369-372 (1998). Cited in 8 Documents MSC: 49L25 Viscosity solutions to Hamilton-Jacobi equations in optimal control and differential games × Cite Format Result Cite Review PDF