1. The partial differential equation ut+uux=μuxx;Hopf;Comm. Pure Appl. Math.,1950
2. On a quasilinear parabolic equation occurring in aerodynamics;Cole;Quart. Appl. Math.,1951
3. Theoretical Foundations of Nonlinear Acoustics;Rudenko,1975
4. On propagation of finite perturbations in media with relaxation;Poliakova;Acoust. J.,1962
5. Nonlinear Oscillations and Waves;Landa,1997