@article{MAN_1976__219_182765,
     author = {A.G. Kartsatos and W.R. Zigler},
     title = {Rothe's {Method} and {Weak} {Solutions} of {Perturbed}  {Evolution} {Equations} in {Reflexive} {Banach} {Spaces.}},
     journal = {Mathematische Annalen},
     pages = {159--166},
     publisher = {mathdoc},
     volume = {219},
     year = {1976},
     zbl = {0352.34050},
     url = {http://geodesic.mathdoc.fr/item/MAN_1976__219_182765/}
}