. . "С." . . "S. Serkov"@en . "Serkov"@en . . "С Серков" . . . . "С" . "S. R. Serkov" . "Romual'dovič" . "S. R." . "S Serkov"@fr-CH . "С Серков" . "Sergej Serkov" . "Sergej Romual'dovič Serkov"@pl-PL . "С. Серков" . "Серков" . . . . "Serkov, S. (S. R.)" . . "С. Серков" . "Sergej" . "S.R" . "S. Serkov" . . . "R." . "Sergej R. Serkov"@de-DE . "S."@en . "S. R. Serkov"@pl-PL . "S.R Serkov" .