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@article{MZ_1977__157_172612, author = {Bernd M\"uller}, title = {A {Hahn-Banach} {Theorem} in {Conjugate} {Banach} {Spaces.}}, journal = {Mathematische Zeitschrift}, pages = {285--295}, publisher = {mathdoc}, volume = {157}, year = {1977}, zbl = {0368.46016}, url = {http://geodesic.mathdoc.fr/item/MZ_1977__157_172612/} }
Bernd Müller. A Hahn-Banach Theorem in Conjugate Banach Spaces.. Mathematische Zeitschrift, Tome 157 (1977), pp. 285-295. http://geodesic.mathdoc.fr/item/MZ_1977__157_172612/