%0 Journal Article %A L. G. Vetrov %T On a filtering, interpolation and extrapolation of semi-martingales %J Teoriâ veroâtnostej i ee primeneniâ %D 1982 %P 24-35 %V 27 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1982_27_1_a2/ %G ru %F TVP_1982_27_1_a2