@article{10_1017_S0017089500020103,
     author = {HARTE, ROBIN and TAYLOR, CIARAN},
     title = {ON {VECTOR-VALUED} {SPECTRA}},
     journal = {Glasgow mathematical journal},
     pages = {247--253},
     year = {2000},
     volume = {42},
     number = {2},
     doi = {10.1017/S0017089500020103},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500020103/}
}