%0 Journal Article
%A R.W. Cross
%T The essential state diagram of a linear operator
%J Annales Fennici Mathematici
%D 1990
%P 283-291
%V 15
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1990.1506/
%R 10.5186/aasfm.1990.1506
%G en
%F AFM_1990_15_2_a5