%0 Journal Article %A Jürgen Voigt %T On resolvent positive operators and positive C0-semigroups on AL-spaces. %J Semigroup forum %D 1989 %P 263-266 %V 38 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1989__38_2_134959/ %F SF_1989__38_2_134959