@article{MAN_1976__221_162842,
     author = {David E. Evans},
     title = {Smooth {Perturbations} in {Non-Reflexive} {Banach} {Spaces.}},
     journal = {Mathematische Annalen},
     pages = {183--194},
     publisher = {mathdoc},
     volume = {221},
     year = {1976},
     zbl = {0308.47036},
     url = {http://geodesic.mathdoc.fr/item/MAN_1976__221_162842/}
}