@article{10_4064_sm_81_2_213_220,
     author = {Che-Kao Fong and Andrzej So{\l}tysiak},
     title = {Existence of a multiplicative functional and joint spectra},
     journal = {Studia Mathematica},
     pages = {213--220},
     year = {1985},
     volume = {81},
     number = {2},
     doi = {10.4064/sm-81-2-213-220},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-81-2-213-220/}
}