@article{MAN_1989__285_1_164595,
     author = {Volker Wrobel},
     title = {Stability and spectra of {C0-semigroups.}},
     journal = {Mathematische Annalen},
     pages = {201--220},
     publisher = {mathdoc},
     volume = {285},
     number = {1},
     year = {1989},
     zbl = {0698.47023},
     url = {http://geodesic.mathdoc.fr/item/MAN_1989__285_1_164595/}
}