APA (7th ed.) Citation
Ovchinnikov, S. G., & Valʹkov, V. V. (2004). Hubbard operators in the theory of strongly correlated electrons. Imperial College Press.
Chicago Style (17th ed.) Citation
Ovchinnikov, S. G., and V. V. Valʹkov. Hubbard Operators in the Theory of Strongly Correlated Electrons. London: Imperial College Press, 2004.
MLA (9th ed.) Citation
Ovchinnikov, S. G., and V. V. Valʹkov. Hubbard Operators in the Theory of Strongly Correlated Electrons. Imperial College Press, 2004.
Warning: These citations may not always be 100% accurate.