study of shock waves with application to astrophysical problems
Some nonlinear surface wave propagation problems.
Huygens method of Construction of weakly nonlinear wavefronts and shockfronts with application to hyperbolic caustics
study of cylindrical and spherical shocks in a conducting medium
Some studies on shock waves and deontations
On waves in elastic media
Study of rotation effects on wave propagation
Wave propagation in generalised thermoelasticity.
Wave propagation in micromorphic media.