%0 Journal Article %A A. M. Kerimov %A M. M. Chernyak %T Time approximation of the concentration of microimpurities washed out of clouds and subcloud space %J News of the Kabardin-Balkar scientific center of RAS %D 1999 %P 75-81 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IZKAB_1999_1_a5/ %G ru %F IZKAB_1999_1_a5