. . . . . . . . . . . "Omar Khayyam Neyshaburi" . . . "1131" . . . . . . . . . . "Hakim Omar Khayyam" . . . . . . "al-Khayyam" . . . "Khayam-Pascal's triangle" . . . . . . "Umar Khayyam" . . . . . . "Khayyam" . . . "Omar Khayy\u0101m" . . . . "Omar Khaiyyam" . . . . . . . . . . "Khayyam, Omar" . . . . . . "Omar Khayyam" . . . . . . . . . . . . . . "1048-05-18" . "\u0425\u0430'''\u044F\u0301'''\u043C" . . . . . "Omar Khayy\u00E1m" . . . . . . . . "Omar Khayam" . "Omar Khajam" . . . . . . . . . . . . . . . . . . . . . . . . . "Omar Khayyam" . "Omar" . "Omar Khayyam's" . . "\u0425\u0430\u0439\u044F\u043C" . . . . . . . . . . . .