TY  - GEN
AU  - Rellich,Franz
ED  - Courant Institute of Mathematical Sciences.
TI  - Spectral theory of a second-order ordinary differential operator
U1  - 515.35 
PY  - 1953///
CY  - New York
PB  - [New York University Press]
KW  - Spectral theory (Mathematics)
KW  - Differential operators
KW  - Boundary value problems
N1  - At head of title: New York University, Institute of Mathematical Sciences; "Lectures delivered 1950-1951."
ER  -