@article{VMUMM_1988_6_a17,
     author = {P. B. Vainshtein},
     title = {To the question of shock in porous powder-like media},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {67--69},
     publisher = {mathdoc},
     number = {6},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1988_6_a17/}
}