TY  - GEN
AU  - Chatelin, Francoise 
TI  - Sepctral approximation of linear operators 
T2  - Classics in applied mathematics
SN  - 9780898719994
PY  - 2011///
CY  - Philadelphia
PB  - SIAM
KW  - Linear operators
KW  - Approximation theory
KW  - Spectral theory - mathematics
ER  -