%0 Journal Article %A D. N. Nikol'skii %T Three-dimensional evolution of the boundary of a polluted area in a bounded piecewise homogeneous porous material %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 2011 %P 913-919 %V 51 %N 5 %U http://geodesic.mathdoc.fr/item/ZVMMF_2011_51_5_a12/ %G ru %F ZVMMF_2011_51_5_a12