@article{10_4064_cm_56_2_357_366, author = {Andrzej So{\l}tysiak}, title = {Joint spectra and multiplicative functionals}, journal = {Colloquium Mathematicum}, pages = {357--366}, publisher = {mathdoc}, volume = {56}, number = {2}, year = {1988}, doi = {10.4064/cm-56-2-357-366}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-56-2-357-366/} }