. "Perechnev"@en . "I︠U︡riĭ Georgievich Perechnev"@en . "I︠U︡riĭ Georgievich Perechnev" . . . . "I︠U︡riĭ"@en . "Georgievich"@en . "I︠U︡riĭ Georgievich" . "Perechnev, I︠U︡. G. (I︠U︡riĭ Georgievich)" . "I︠U︡. G. Perechnev"@en-US . . .