APA Edition Citation

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

Chicago Edition Citation

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

MLA Edition Citation

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

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