%0 Journal Article %A Gerd Herzog %A %T On quasipositive elements in ordered Banach algebras %J Studia Mathematica %D 1998 %P 59-65 %V 129 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-129-1-59-65/ %R 10.4064/sm-129-1-59-65 %G en %F 10_4064_sm_129_1_59_65