%0 Journal Article %A I. G. Zakharova %A Yu. N. Karamzin %A V. A. Trofimov %T Difference methods in problems of the propagation of optical radiation in a cloud medium %J Differencialʹnye uravneniâ %D 1985 %P 1186-1191 %V 21 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1985_21_7_a9/ %G ru %F DE_1985_21_7_a9