TY  - DATA
AU  - Wang, Aiping,
AU  - Zettl, Anton,
TI  - Ordinary differential operators 
T2  - Mathematical Surveys and Monographs, 
SN  - 9781470454302 (online)
PY  - 2019///
CY  - Providence, R.I.
PB  - American Mathematical Society
KW  - Differential operators
KW  - Operator theory -- Ordinary differential operators [See also 34Bxx, 34Lxx] -- Ordinary differential operators [See also 34Bxx, 34Lxx] (should also be assigned at least one other classification number
KW  - Operator theory -- Special classes of linear operators -- Symmetric and selfadjoint operators (unbounded)
KW  - Ordinary differential equations -- Boundary value problems {For ordinary differential operators, see 34Lxx} -- Linear boundary value problems
KW  - Ordinary differential equations -- Boundary value problems {For ordinary differential operators, see 34Lxx} -- Sturm-Liouville theory [See also 34Lxx]
N1  - Includes bibliographical references and index
UR  - https://doi.org/10.1090/surv/245
ER  -