%0 Journal Article %A Immonen, Eero %T On Sylvester operator equations, complete trajectories, regular admissibility, and stability of $C_0$-semigroups %J Electronic Journal of Differential Equations %D 2005 %V 2005 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a277/ %G en %F EJDE_2005__2005__a277