APA (7th ed.) Citation

Arendt, W., & Batty, C. (1997). The spectral function and principal eigenvalues for Schrodinger operators.

Chicago Style (17th ed.) Citation

Arendt, W., and C. Batty. The Spectral Function and Principal Eigenvalues for Schrodinger Operators. 1997.

MLA (9th ed.) Citation

Arendt, W., and C. Batty. The Spectral Function and Principal Eigenvalues for Schrodinger Operators. 1997.

Warning: These citations may not always be 100% accurate.