@article{10_4064_sm_84_1_105_111,
     author = {Volker Wr\'obel},
     title = {The boundary of {Taylor's} joint spectrum for two commuting {Banach} space operators},
     journal = {Studia Mathematica},
     pages = {105--111},
     publisher = {mathdoc},
     volume = {84},
     number = {1},
     year = {1986},
     doi = {10.4064/sm-84-1-105-111},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-84-1-105-111/}
}