%0 Journal Article %A K. Ya. Kondrat'ev %A V. P. Vlasov %A V. V. Melent'ev %T Radiothermal emission of melting ice cover as an indicator of its state (exemplified by Sevan) %J Doklady Akademii Nauk %D 1985 %P 839-842 %V 280 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_280_4_a15/ %G ru %F DAN_1985_280_4_a15