Compressibility effects on the Kelvin–Helmholtz and Rayleigh–Taylor instabilities between two immiscible fluids flowing through a porous mediumG. A. Hoshoudy and Mukesh Kumar AwasthiEur. Phys. J. Plus, 135 2 (2020) 169DOI: https://doi.org/10.1140/epjp/s13360-020-00160-x