%0 Journal Article %A A. N. Širyaev %T On Markov Sufficient Statistics in Nonadditive Bayes Problems of Sequential Analysis %J Teoriâ veroâtnostej i ee primeneniâ %D 1964 %P 670-686 %V 9 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1964_9_4_a6/ %G ru %F TVP_1964_9_4_a6