APA (7th ed.) Citation
Rellich, F. (1951). Spectral theory of a second-order ordinary differential operator. New Yprk University.
Chicago Style (17th ed.) Citation
Rellich, Franz. Spectral Theory of a Second-order Ordinary Differential Operator. Nueva York: New Yprk University, 1951.
MLA (9th ed.) Citation
Rellich, Franz. Spectral Theory of a Second-order Ordinary Differential Operator. New Yprk University, 1951.
Warning: These citations may not always be 100% accurate.