%0 Journal Article %A E. Porada %T On the spectral radius in $L_1(G)$ %J Colloquium Mathematicum %D 1971 %P 279-285 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-23-2-279-285/ %R 10.4064/cm-23-2-279-285 %G en %F 10_4064_cm_23_2_279_285