%0 Journal Article %A O. V. Ulianchuk-Martyniuk %T Numerical simulation of the effect of semipermeable properties of clay on the value of concentration jumps of contaminants in a thin geochemical barrier %J Eurasian journal of mathematical and computer applications %D 2020 %P 91-104 %V 8 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJMCA_2020_8_1_a5/ %G en %F EJMCA_2020_8_1_a5