APA (7th ed.) Citation

Caliceti, E., Cannata, F., & Graffi, S. (2010). PT Symmetric Schrödinger Operators: Reality of the Perturbed Eigenvalues. Symmetry, Integrability and Geometry: Methods and Applications.

Chicago Style (17th ed.) Citation

Caliceti, E., F. Cannata, and S. Graffi. "PT Symmetric Schrödinger Operators: Reality of the Perturbed Eigenvalues." Symmetry, Integrability and Geometry: Methods and Applications 2010.

MLA (8th ed.) Citation

Caliceti, E., et al. "PT Symmetric Schrödinger Operators: Reality of the Perturbed Eigenvalues." Symmetry, Integrability and Geometry: Methods and Applications, 2010.

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