%0 Journal Article %A M. Megan, A. Pogan %T On a theorem of Zabczyk for semigroups of operators in locally convex space %J Novi Sad Journal of Mathematics %D 2002 %P 59-71 %V 32 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_2002_32_1a_4/ %F NSJOM_2002_32_1a_4