APA (7th ed.) Citation

Petrina, D. (2008). Spectrum and states of the BCS Hamiltonian with sources. Український математичний журнал.

Chicago Style (17th ed.) Citation

Petrina, D.Ya. "Spectrum and States of the BCS Hamiltonian with Sources." Український математичний журнал 2008.

MLA (8th ed.) Citation

Petrina, D.Ya. "Spectrum and States of the BCS Hamiltonian with Sources." Український математичний журнал, 2008.

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