%0 Journal Article %T Summary of reports presented at sessions of the probability and mathematical statistics seminar at the Leningrad section of the Mathematical Institute of the USSR Academy of Sciences, 1980 %J Teoriâ veroâtnostej i ee primeneniâ %D 1981 %P 870-876 %V 26 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1981_26_4_a22/ %G ru %F TVP_1981_26_4_a22