@article{VMJ_2004_6_1_a3,
     author = {E. Beckenstein and L. Narici},
     title = {Non-uniqueness of certain {Hahn--Banach} extensions},
     journal = {Vladikavkazskij matemati\v{c}eskij \v{z}urnal},
     pages = {26--28},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/VMJ_2004_6_1_a3/}
}