%0 Journal Article %A V. Komornik %A P. Loreti %T A contstructive aaproach for the observability of coupled linear systems %J ESAIM. Proceedings %D 1998 %P 171-179 %V 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1051/proc:1998027/ %R 10.1051/proc:1998027 %G en %F EP_1998_4_a10