APA (7th ed.) Citation

Bernard Helffer. (2013). Spectral Theory and its Applications (1.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Bernard Helffer. Spectral Theory and Its Applications. 1. Cambridge University Press, 2013.

MLA (8th ed.) Citation

Bernard Helffer. Spectral Theory and Its Applications. 1. Cambridge University Press, 2013.

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