APA-čujuhus (7. p.)
Ovchinnikov, S. G., & Valʹkov, V. V. (2004). Hubbard operators in the theory of strongly correlated electrons. Imperial College Press.
Chicago-čujuhus (17. p.)
Ovchinnikov, S. G., juo V. V. Valʹkov. Hubbard Operators in the Theory of Strongly Correlated Electrons. London: Imperial College Press, 2004.
MLA-čujuhus (9. p.)
Ovchinnikov, S. G., juo V. V. Valʹkov. Hubbard Operators in the Theory of Strongly Correlated Electrons. Imperial College Press, 2004.
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