%0 Journal Article %A V. Khatskevich %A L. Zelenko %T Plus-operators in Krein spaces and dichotomous behavior of irreversible dynamical systems with discrete time %J Studia Mathematica %D 2006 %P 195-210 %V 177 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm177-3-1/ %R 10.4064/sm177-3-1 %G en %F 10_4064_sm177_3_1