. . "Ukrainian mathematician" . "1893-09-25Z"^^ . . . . . . . . "1986-11-20Z"^^ . . . . "Alexander Markowich Ostrowski (Russian: \u0410\u043B\u0435\u043A\u0441\u0430\u0301\u043D\u0434\u0440 \u041C\u0430\u0301\u0440\u043A\u043E\u0432\u0438\u0447 \u041E\u0441\u0442\u0440\u043E\u0301\u0432\u0441\u043A\u0438\u0439; 25 September 1893, Kiev, Russian Empire \u2013 20 November 1986, Montagnola, Lugano, Switzerland) was a mathematician.His father Mark having been a merchant, Alexander Ostrowski attended the Kiev College of Commerce, not a high school, and thus had an insufficient qualification to be admitted to university."@en . . "Ostrowski, Alexander"@en . "1893Z"^^ . . . "Alexander Ostrowski"@en . "1986Z"^^ . . .