@article{GDZPPN002329786,
title = {Perturbation Theory for Dual Semigroups. I. The Sun-Reflexive Case.},
journal = {Mathematische Annalen},
volume = {277},
year = {1987},
pages = {709-726},
zbl = {0634.47039},
url = {http://dml.mathdoc.fr/item/GDZPPN002329786}
}
Clément, Ph.; Diekmann, O.; Gyllenberg, M.; Heijmans, H.J.A.M.; Thieme, H.R. Perturbation Theory for Dual Semigroups. I. The Sun-Reflexive Case.. Mathematische Annalen, Tome 277 (1987) pp. 709-726. http://gdmltest.u-ga.fr/item/GDZPPN002329786/