TY  - BOOK
AU  - Borthwick, David
TI  - Spectral theory: basicsa concepts and applications
T2  - Graduate texts in Mathematics
SN  - 9783030380014
U1  - 515.7 
PY  - 2020///
CY  - switzerland
PB  - Springer
KW  - 
KW  - Spectral theory
KW  - Functional analysis
N1  - includes index
ER  -