"Solomonovich" . . "Lev"@en . "Lev Solomonovich Galʹperin" . "L. A. Galʹperin" . "Galʹperin, Lev (Lev Solomonovich)" . "L. A." . . "Galʹperin"@en . . "Lev Galʹperin"@en . . .