%0 Journal Article %A V. A. Volkonskii %T An Ergodic Theorem on the Distribution of the Duration of Fades %J Teoriâ veroâtnostej i ee primeneniâ %D 1960 %P 357-360 %V 5 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1960_5_3_a7/ %G ru %F TVP_1960_5_3_a7