APA (7th ed.) Citation

Hempel, R. (1987). A left-indefinite generalized eigenvalue problem for Schrödinger operators.

Chicago Style (17th ed.) Citation

Hempel, Rainer. A Left-indefinite Generalized Eigenvalue Problem for Schrödinger Operators. 1987.

MLA (9th ed.) Citation

Hempel, Rainer. A Left-indefinite Generalized Eigenvalue Problem for Schrödinger Operators. 1987.

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