%0 Journal Article %A N. E. Leont'ev %T Contamination of a porous bed by a moving front with a finite porosity jump %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2009 %P 75-80 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2009_5_a18/ %G ru %F VMUMM_2009_5_a18