@article{10_1017_S0017089500008752,
     author = {Ch\={o}, Muneo and Huruya, Tadasi},
     title = {A note on the joint operator norm of hermitian operators on {Banach} spaces},
     journal = {Glasgow mathematical journal},
     pages = {219--220},
     year = {1992},
     volume = {34},
     number = {2},
     doi = {10.1017/S0017089500008752},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500008752/}
}