%0 Journal Article %A A. A. Krasovskii %T An estimation algorithm with a retrospective model %J Doklady Akademii Nauk %D 1984 %P 569-572 %V 275 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1984_275_3_a12/ %G ru %F DAN_1984_275_3_a12