1. Barenblatt, G.I.: On some unsteady motions of a liquid or a gas in a porous medium. Prikl. Mat. Mekh. 16(1), 67–78 (1952). (in Russian)
2. Barenblatt, G.I.: On some class of solutions of the one-dimensional problem of nonsteady filtration of a gas in a porous medium. Prikl. Mat. Mekh. 17, 739–742 (1953). (in Russian)
3. Bear, J.: Dynamics of Fluids in Porous Media. American Elsevier Publishing Company, New Yrok (1972)
4. Boon, J.P., Lutsko, J.F.: Nonlinear diffusion from Einstein’s master equation. EPL 80(2007), 60006 (2007).
https://doi.org/10.1209/0295-5075/80/60006
5. Cole, J.D.: On a quasilinear parabolic equation occurring in aerodynamics. Q. Appl. Math. 9(3), 225–236 (1951)