[1] Denis Serre.
Von Neumann's comments about existence and uniqueness for the initial-boundary value problem in gas dynamics.
Bull. Amer. Math. Soc.47(2010)139-144.
MR 2566448. Abstract, references, and article information View Article:PDF
[3] Jeffrey Rauch and Michael Reed.
A general regularity theorem for semilinear hyperbolic waves in one space dimension.
Bull. Amer. Math. Soc.6(1982)445-448.
MR 648531. Abstract, references, and article information View Article:PDF