Riemann Problems for the Two-Dimensional Unsteady Transonic Small Disturbance Equation. - Barbara L. Keyfitz; Suncica Canic (SIAM J. Appl. Math., 1998)

The Triple Point Paradox for the Nonlinear Wave System. - Allen M. Tesdall; Richard Sanders; Barbara L. Keyfitz (SIAM J. Appl. Math., 2006)

Free Boundary Problems for Nonlinear Wave Systems: Mach Stems for Interacting Shocks. - Suncica Canic; Barbara L. Keyfitz; Eun Heui Kim (SIAM J. Math. Anal., 2006)

Self-Similar Solutions for the Triple Point Paradox in Gasdynamics. - Allen M. Tesdall; Richard Sanders; Barbara L. Keyfitz (SIAM J. Appl. Math., 2008)

Nonuniform Dependence on Initial Data for Compressible Gas Dynamics: The Cauchy Problem on ℝ2. - John Holmes; Barbara L. Keyfitz; Feride Tiglay (SIAM J. Math. Anal., 2018)