%0 Journal Article %A G. A. Arutyunyan %A A. G. Nikogosyan %T Mean number of scatterings for radiation transfer with frequency %J Doklady Akademii Nauk %D 1983 %P 1342-1346 %V 268 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_268_6_a14/ %G ru %F DAN_1983_268_6_a14