[1] Eitan Tadmor.
A review of numerical methods for nonlinear partial differential equations.
Bull. Amer. Math. Soc.49(2012)507-554.
Abstract, references, and article information View Article:PDF
[4] Florin David and Mark Williams.
Propagation of singularities of solutions to semilinear boundary value problems.
Bull. Amer. Math. Soc.15(1986)201-204.
MR 854554. Abstract, references, and article information View Article:PDF