%0 Journal Article %A E. N. Bereslavskii %T The research of change in the complex velocity area in some problems of filtration theory %J Matematičeskoe modelirovanie %D 2016 %P 33-46 %V 28 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_2016_28_1_a2/ %G ru %F MM_2016_28_1_a2