%0 Journal Article
%A Nakazato, Hiroshi
%A Bebiano, Natalia
%A Da Providencia, Joao
%T The numerical range of linear operators on the 2-dimensional Kreĭn space
%J The electronic journal of linear algebra
%D 2011
%P 430-442
%V 22
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ELA_2011__22__a52/
%G en
%F ELA_2011__22__a52