%0 Journal Article %A V. V. Kozlov %T Modeling Non-Stationary Processes of Diffusion of Solute Substances in the Near-Bottom Layer ofWater Reservoirs: Variation of the Direction of Flows and Assessment of Admissible Biogenic Load %J Mathematical modelling of natural phenomena %D 2009 %P 100-113 %V 4 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1051/mmnp/20094507/ %R 10.1051/mmnp/20094507 %G en %F MMNP_2009_4_5_a7