TY  - BOOK
AU  - Borthwick,David
TI  - Spectral theory: basic concepts and applications 
T2  - Graduate Texts in Mathematics,
SN  - 3030380017
AV  - QC20.7S64 B67
U1  - 515/.7222 23
PY  - 2020///]
CY  - Cham, Switzerland
PB  - Springer
KW  - Teoría espectral (Matemáticas)
ER  -