%0 Journal Article %A M. Beleva %T Controlled Wiener Process by External Intervations Minimizing the Average Time with a Drift %J Mathematica balkanica %D 1996 %P 49 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1996_10_1_a5/ %F MABA_1996_10_1_a5