APA (7th ed.) Citation

Hellman, O. (1960). On the Schrödinger eigenvalue problem. Munksgaard in Komm.

Chicago Style (17th ed.) Citation

Hellman, Olavi. On the Schrödinger Eigenvalue Problem. København: Munksgaard in Komm, 1960.

MLA (9th ed.) Citation

Hellman, Olavi. On the Schrödinger Eigenvalue Problem. Munksgaard in Komm, 1960.

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