APA (7th ed.) Citation

Jonas, P. (1989). On a problem of the perturbation theory of selfadjoint operators in Krein spaces.

Chicago Style (17th ed.) Citation

Jonas, Peter. On a Problem of the Perturbation Theory of Selfadjoint Operators in Krein Spaces. Berlin, 1989.

MLA (9th ed.) Citation

Jonas, Peter. On a Problem of the Perturbation Theory of Selfadjoint Operators in Krein Spaces. 1989.

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