%0 Journal Article %A Ya. B. Zel'dovich %A G. I. Barenblatt %T Asymptotic properties of self-preserving solutions of equations of unsteady motion of gas through porous media %J Doklady Akademii Nauk %D 1958 %P 671-674 %V 118 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_118_4_a12/ %G ru %F DAN_1958_118_4_a12