%0 Journal Article %A P. B. Vainshtein %T To the question of shock in porous powder-like media %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1988 %P 67-69 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1988_6_a17/ %G ru %F VMUMM_1988_6_a17