"Sergeĭ" . "Solovʹev, S. M. (Sergeĭ Mikhaĭlovich)" . "S. M. Solov'ev" . "Solov'ev" . "Sergeĭ Mikhaĭlovich Solovʹev" . "Solovev" . "Mikhaĭlovich" . "S.M Solovev" . "S. M. Solovʹev"@en . "Solovʹev"@en . "S."@en . "S.M" . "M."@en . . . . . .