%0 Journal Article
%A Gil', Michael
%T Spectrum of infinite block matrices and $\pi$-triangular operators
%J The electronic journal of linear algebra
%D 2007
%P 216-231
%V 16
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ELA_2007__16__a18/
%G en
%F ELA_2007__16__a18