@article{DAN_1993_330_5_a10,
     author = {S. B. Grafutko},
     title = {Anisotropic penetrability changes produced in a porous medium by a filtering flow},
     journal = {Doklady Akademii Nauk},
     pages = {570--573},
     publisher = {mathdoc},
     volume = {330},
     number = {5},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1993_330_5_a10/}
}