%0 Journal Article %A Lubin, A. R. %T Spectral Inclusion and C.N.E. %J Canadian journal of mathematics %D 1982 %P 883-887 %V 34 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1982-060-3/ %R 10.4153/CJM-1982-060-3 %F 10_4153_CJM_1982_060_3