APA aipamena

Appell, J. (2004). Nonlinear spectral theory. Walter de Gruyter.

Chicago Style aipamena

Appell, Jurgen. Nonlinear Spectral Theory. New York: Walter de Gruyter, 2004.

MLA aipamena

Appell, Jurgen. Nonlinear Spectral Theory. Walter de Gruyter, 2004.