%0 Journal Article
%A Bhatia, R.
%A Elsner, L.
%T Symmetries and Variation of Spectra
%J Canadian journal of mathematics
%D 1992
%P 1155-1166
%V 44
%N 6
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1992-069-3/
%R 10.4153/CJM-1992-069-3
%F 10_4153_CJM_1992_069_3