Exact and asymptotic solutions of the cauchy problem

Asymptotic solutions of oscillatory initial value problems

Peter D. Lax · Duke Mathematical Journal · 1957 · 407 citations

Oscillation Theory, Bifurcation Theory, Nonlinear Oscillation +1

Simple progressive solutions of the wave equation

F. G. Friedlander · Mathematical Proceedings of the Cambridge Philosophical Society · 1947 · 74 citations

Engineering, Wave Group, Fourth Order +8

THE PROPAGATION OF DISCONTINUITIES IN WAVE MOTION

Richard Courant, Peter D. Lax · Proceedings of the National Academy of Sciences · 1956 · 56 citations · Full text

Mixed Problems for Linear Systems of first Order Equations

G. F. D. Duff · Canadian Journal of Mathematics · 1958 · 50 citations · Full text

Numerical Analysis, Linear Systems, Geometric Partial Differential Equation +9

Remarks on cauchy's problem for hyperbolic partial differential equations with constant coefficients in several independent variables

Richard Courant, Anneli Lax · Communications on Pure and Applied Mathematics · 1955 · 27 citations

Riemann-hilbert Problem, Several Independent Variables, Hyperbolic Conservation Law +4