TY  - GEN
AU  - Il'in,V.A.
AU  - 
TI  - Spectral theory of differential operators: Self-adjoint differential operators 
SN  - 0306110377
AV  - QA329.2 
U1  - 515 
PY  - 1995///
CY  - New York
PB  - Consultants Bureau
KW  - Selfadjoint operators
N1  - Bibliografie p. 379,
Index p. 387
UR  - http://www.loc.gov/catdir/enhancements/fy1006/95036856-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy1006/95036856-t.html
ER  -