%0 Journal Article %A E. A. Hayryan %A P. N. Vabishchevich %A M. Pavlus %A A. V. Fedorov %T Additive difference schemes for filtration problems in multilayer systems %J Matematičeskoe modelirovanie %D 2001 %P 91-102 %V 13 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_2001_13_10_a6/ %G ru %F MM_2001_13_10_a6