"11920171" . "1997"^^ . . . "11920171" . "1910"^^ . "0000000120990097" . . . "1910"^^ . . "1997"^^ . . "http://catalogue.bnf.fr/ark:/12148/cb119201712" . "L\u00E9on Poliakov" . "027077772" . "2017-05-09" . . "L\u00E9on" . . "2017-04-18" . "Poliakov, L\u00E9on (1910-1997)"@fr . . . "027077772" . "Poliakov" . "1910"^^ . "Poliakov"@fr . "L\u00E9on"@fr . "0000000120990097" . . . . "1997"^^ .