%0 Journal Article %A Li Heng Won %T On the Theory of Optimal Filtering of a Signal in the Presence of Internal Random Noise %J Teoriâ veroâtnostej i ee primeneniâ %D 1959 %P 458-464 %V 4 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1959_4_4_a10/ %G ru %F TVP_1959_4_4_a10