TY  - JOUR
AU  - Gil', Michael
TI  - Spectrum of infinite block matrices and $\pi$-triangular operators
JO  - The electronic journal of linear algebra
PY  - 2007
SP  - 216
EP  - 231
VL  - 16
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ELA_2007__16__a18/
LA  - en
ID  - ELA_2007__16__a18
ER  -