@article{VMUMM_1995_3_a5,
     author = {E. R. Kosygina},
     title = {On propagation of perturbations in two-dimensional porous media},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {36--40},
     publisher = {mathdoc},
     number = {3},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1995_3_a5/}
}