. . "Nikishov" . "S." . . "S. I. Nikishov" . "I." . . "Никишов" . "S. I. Nikishov" . "Иванович" . "Ivanovich" . "S. I." . "Nikishov, S. I. (Serafim Ivanovich)" . "Серафим" . "Serafim Ivanovich Nikishov"@en . . "Серафим Иванович Никишов" . . "Serafim" .