APA (7th ed.) Citation

Förster, K., Jonas, P., & Langer, H. (2006). Operator Theory in Krein Spaces and Nonlinear Eigenvalue Problems. Springer e-books.

Chicago Style (17th ed.) Citation

Förster, Karl-Heinz, Peter Jonas, and Heinz Langer. "Operator Theory in Krein Spaces and Nonlinear Eigenvalue Problems." Springer E-books 2006.

MLA (8th ed.) Citation

Förster, Karl-Heinz, et al. "Operator Theory in Krein Spaces and Nonlinear Eigenvalue Problems." Springer E-books, 2006.