%0 Journal Article %A M.H.H. Pang %T Resolvent estimates for Schrödinger operators in L (R ) and the theory of exponentially bounded C-semigroups. %J Semigroup forum %D 1990 %P 97-114 %V 41 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1990__41_2_135039/ %F SF_1990__41_2_135039