%0 Journal Article %A È. M. Khazen %T Estimating the Probability Density for Random Processes in Systems %J Teoriâ veroâtnostej i ee primeneniâ %D 1961 %P 234-242 %V 6 %N 2 %U http://geodesic.mathdoc.fr/item/TVP_1961_6_2_a10/ %G ru %F TVP_1961_6_2_a10