%0 Journal Article %A D. Robert %T On some properties of the time evolution of quadratic open quantum systems %J Algebra i analiz %D 2018 %P 140-168 %V 30 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2018_30_3_a8/ %G en %F AA_2018_30_3_a8