%0 Journal Article %A V. A. Levin %A A. A. Sorokin %A A. M. Starik %T Nonstationary self-focusing at the propagation of $\lambda_I=2{,}8\mu$ radiation through damp atmosphere %J Doklady Akademii Nauk %D 1989 %P 610-614 %V 308 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_308_3_a23/ %G ru %F DAN_1989_308_3_a23