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@article{IM_1972__16_142144, author = {John J. Benedetto}, title = {A {Support} {Preserving} {Hahn-Banach} {Property} to {Determine} {Helson-S} {Sets.}}, journal = {Inventiones mathematicae}, pages = {214--228}, publisher = {mathdoc}, volume = {16}, year = {1972}, zbl = {0239.43008}, url = {http://geodesic.mathdoc.fr/item/IM_1972__16_142144/} }
John J. Benedetto. A Support Preserving Hahn-Banach Property to Determine Helson-S Sets.. Inventiones mathematicae, Tome 16 (1972), pp. 214-228. http://geodesic.mathdoc.fr/item/IM_1972__16_142144/