@article{10_4064_sm_86_3_277_286,
     author = {Andrzej So{\l}tysiak},
     title = {Approximate point joint spectra and multiplicative functionals},
     journal = {Studia Mathematica},
     pages = {277--286},
     publisher = {mathdoc},
     volume = {86},
     number = {3},
     year = {1987},
     doi = {10.4064/sm-86-3-277-286},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-86-3-277-286/}
}