%0 Journal Article %A E. Albrecht %T On joint spectra %J Studia Mathematica %D 1979 %P 263-271 %V 64 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-64-3-263-271/ %R 10.4064/sm-64-3-263-271 %G fr %F 10_4064_sm_64_3_263_271