@article{AUCMP_2003__44_2_a9,
     author = {Kaufman, Robert},
     title = {On complexity of a set of norms in {Banach} spaces},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {89--95},
     publisher = {mathdoc},
     volume = {44},
     number = {2},
     year = {2003},
     mrnumber = {2102546},
     zbl = {1080.46006},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_2003__44_2_a9/}
}