%0 Journal Article %A Vladimír Müller %T The Słodkowski spectra and higher Shilov boundaries %J Studia Mathematica %D 1993 %P 69-75 %V 105 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-105-1-69-75/ %R 10.4064/sm-105-1-69-75 %G en %F 10_4064_sm_105_1_69_75