"2006Z"^^ . . . "Vol'pert, Aizik Isaakovich"@en . "Mathematician and chemical engineer" . "Aizik Isaakovich Vol'pert"@en . . . "1923-06-05Z"^^ . "1923Z"^^ . "Aizik Isaakovich Vol'pert (Russian: \u0410\u0439\u0437\u0438\u043A \u0418\u0441\u0430\u0430\u043A\u043E\u0432\u0438\u0447 \u0412\u043E\u043B\u044C\u043F\u0435\u0440\u0442) (5 June 1923 \u2013 January 2006) (the family name is also transliterated as Volpert or Wolpert) was a Soviet and Israeli mathematician and chemical engineer working in partial differential equations, functions of bounded variation and chemical kinetics."@en . . . . . . . .