%0 Journal Article %A Mariana Beleva %T Optimal Filtering of Linear Wiener Process Observed at Moments of First Reaching of Lines %J Mathematica balkanica %D 1988 %P 202 %V 2 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1988_2_2_a10/ %F MABA_1988_2_2_a10