On the Equivalence of Viscosity Solutions and Weak Solutions for a Quasi-Linear Equation. - Petri Juutinen; Peter Lindqvist; Juan J. Manfredi (SIAM J. Math. Anal., 2001)

An Asymptotic Mean Value Characterization for a Class of Nonlinear Parabolic Equations Related to Tug-of-War Games. - Juan J. Manfredi; Mikko Parviainen; Julio D. Rossi (SIAM J. Math. Anal., 2010)