. . "Igorʹ Nikolaevich Toptygin"@en . "́Nikolaevich" . "Igor ́Nikolaevich Toptygin"@nl-NL . "Physicist, Soviet Union Igor Nikolaevič Toptygin" . . . "Igor Nikolaevitch Toptigine" . "Toptigine" . . "Toptigin"@fr-FR . "Igor' Nikolaevich" . "Igor' Nikolaevic Toptygin" . "N. (Igorʹ Nikolaevich)" . "Nikolaevic" . "I. N. Toptygin" . "Igorʹ N. Toptygin" . "Igor N. Toptygin" . "Igorʹ Nikolaevič" . "Igoŕ N. Toptygin" . "Igor' Nikolaevič Toptygin" . "Igorʹ N." . "Toptygin" . "I. N. Toptygin"@en-US . "Igorʹ Nikolaevich Toptygin" . "Igor' N. Toptygin" . "Igor Nikolaevic Toptygin" . . "Toptygin, Igor Nikolaevič Physicist, Soviet Union" . . "Igor' Nikolaevič" . "Nikolaevich"@en . "I.N Toptygin" . "Nikolaevič" . "Igor Nikolaevich Toptygin" . . "Toptygin Igor' Nikolaevich Toptygin" . "Toptygin, Igor Nikolaevič Physicien, Union Soviétique" . "Igorʹ"@en . "Physicien, Union Soviétique Igor Nikolaevič Toptygin" . "I. N. (Igorʹ Nikolaevich) Toptygin" . "Toptigin" . "Toptygin, I. N. (Igorʹ Nikolaevich)" . "Toptigin" . . "I. N." . "Nikolaevič [forme avant 2007]" . "Toptygin, I. N Toptygin, Igor' Nikolaevich" . "Igorʹ Nikolaevič Toptygin" . "Igor'" . "Igoŕ Nikolaevič Toptygin" . "Igorʹ Nikolaevič Toptygin" . "Physiker, Sowjetunion Igor Nikolaevič Toptygin" . "Toptygin" . "Igor N. Toptygin" . "Toptigine" . "Igoŕ" . "Igor' Nikolaevič [forme avant 2007] Toptygin" . . . "1931-02-13" . . "Igorʹ Nikolaevich Toptigin" . "Igor' Nikolaevič Toptygin"@pl-PL . "Igor' Nikolaevich Toptygin" . "Toptygin"@en . . "Igor Nikolaevič Toptygin" . "I." . "Igorʹ Nikolaevich" . "Toptygin, Igor Nikolaevič Physiker, Sowjetunion" . "Igor" . "Igor Nikolaevitch" . "Toptygin, I. N. (Igor' Nikolaevich)" . "Igorʹ Nikolaevič Toptigin"@en . "Igor N." . . "I.N" . "N." . "Toptygin, I. N. (Igor Nikolaevich)" .