Dear all,
I am looking for a copy of this paper:
Barenblatt, G. I.
On some unsteady motions of a liquid and gas in a porous medium. (Russian)
Akad. Nauk SSSR. Prikl. Mat. Meh. 16, (1952). 67-78.
If you have it, possibly translated in English, please let me have it.
Sincerely yours
Sandro