%0 Journal Article %A R. Magiera %T Estimation with delayed observations %J Applicationes Mathematicae %D 1980 %P 249-258 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-17-2-249-258/ %R 10.4064/am-17-2-249-258 %G en %F 10_4064_am_17_2_249_258