%0 Journal Article %A Il Ju An %A Jaeseong Heo %T Decomposability of Krein space operators %J Filomat %D 2020 %P 3119 %V 34 %N 9 %U http://geodesic.mathdoc.fr/articles/10.2298/FIL2009119A/ %R 10.2298/FIL2009119A %G en %F 10_2298_FIL2009119A