@article{10_4064_sm_97_2_151_156,
     author = {Che-Kao Fong and Andrzej So{\l}tysiak},
     title = {On the left and right joint spectra in {Banach} algebras},
     journal = {Studia Mathematica},
     pages = {151--156},
     publisher = {mathdoc},
     volume = {97},
     number = {2},
     year = {1990},
     doi = {10.4064/sm-97-2-151-156},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-97-2-151-156/}
}