%0 Journal Article %A Rhoades, B. E. %T The Spectrum of Weighted Mean Operators %J Canadian mathematical bulletin %D 1987 %P 446-449 %V 30 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1987-065-9/ %R 10.4153/CMB-1987-065-9 %F 10_4153_CMB_1987_065_9