A scalar field for which C-zero has no Hahn-Banach property
Annales mathématiques Blaise Pascal, Tome 2 (1995) no. 1, pp. 267-273. 
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     author = {Schikhof, W.H.},
     title = {A scalar field for which $C$-zero has no {Hahn-Banach} property},
     journal = {Annales math\'ematiques Blaise Pascal},
     pages = {267--273},
     publisher = {Laboratoires de Math\'ematiques Pures et Appliqu\'ees de l'Universit\'e Blaise Pascal},
     volume = {2},
     number = {1},
     year = {1995},
     mrnumber = {1342822},
     zbl = {0830.46072},
     language = {en},
     url = {http://www.numdam.org/item/AMBP_1995__2_1_267_0/}
}
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Schikhof, W.H. A scalar field for which $C$-zero has no Hahn-Banach property. Annales mathématiques Blaise Pascal, Tome 2 (1995) no. 1, pp. 267-273. http://www.numdam.org/item/AMBP_1995__2_1_267_0/

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