1. On the partial difference equations of mathematical physics;Courant;IBM Journal, March 1967, pp. 215-234. English translation of the 1928 German original, ″R. Courant, K. Friedrichs and H. Lewy, ber die partiellen Differenzengleichungen der mathematischen Physik, Mathematische Annalen,1928
2. Hyperbolic systems of conservation laws, II;Lax;Communications on Pure and Applied Mathematics,1957
3. Systems of conservation laws;Lax;Communications on Pure and Applied Mathematics,1960
4. Dispersion analysis of numerical approximations to plane wave motions in an isotropic elastic solid;Cherukuri;Computational Mechanics,2000