%0 Journal Article
%A Herrero, Domingo A.
%T On the Essential Spectra of Quasisimilar Operators
%J Canadian journal of mathematics
%D 1988
%P 1436-1457
%V 40
%N 6
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1988-066-x/
%R 10.4153/CJM-1988-066-x
%F 10_4153_CJM_1988_066_x