%0 Journal Article %A B. S. Darhovskii %T On two problems of estimation of the times of change of probability characteristics of a~random sequence %J Teoriâ veroâtnostej i ee primeneniâ %D 1984 %P 464-473 %V 29 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1984_29_3_a3/ %G ru %F TVP_1984_29_3_a3