%0 Journal Article %A B. N. Dimitrov %A N. V. Kolev %A P. G. Petrov %T Control of Unreliable Process with Implicit Breakdowns and Mixed Executive Times %J Mathematica balkanica %D 1988 %P 391 %V 2 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1988_2_3-4_a12/ %F MABA_1988_2_3-4_a12