TY  - BOOK
AU  - Knowles, Ian W. .
TI  - Spectral Theory of Differential Operators / 
SN  - 0 444 8627 37
U1  - B3310t4p73,N81 
CY  - New York : 
PB  - North-Holland Publishing Company.
KW  - Mathematics <Differential Operators>
ER  -