@article{ASNSP_1992_4_19_3_363_0,
     author = {Hieber, M. and Holderrieth, A. and Neubrander, F.},
     title = {Regularized semigroups and systems of linear partial differential equations},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {363--379},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 19},
     number = {3},
     year = {1992},
     mrnumber = {1205405},
     zbl = {0789.35075},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_1992_4_19_3_363_0/}
}