@article{GDZPPN002396688, title = {Evolutionsgleichungen in Banach-R\"aumen.}, journal = {Mathematische Zeitschrift}, volume = {87}, year = {1965}, pages = {286-309}, zbl = {0141.13102}, url = {http://dml.mathdoc.fr/item/GDZPPN002396688} }
Poulsen, Ebbe Thue. Evolutionsgleichungen in Banach-Räumen.. Mathematische Zeitschrift, Tome 87 (1965) pp. 286-309. http://gdmltest.u-ga.fr/item/GDZPPN002396688/