TY  - BOOK
AU  - Davies E B
TI  - Spectral theory and differential operators
T2  - Cambridge studies in advanced mathematics; 42
SN  - 0521472504 (hbd)
U1  - B48, N5 
PY  - 1995///
CY  - Cambridge
PB  - Cambridge University Press       
KW  -  Operational calculus
KW  - Mathematics
N1  - Bibliography pp178; Index 180-182p
ER  -