Thứ Hai, 3 tháng 4, 2017

A Long-Sought Proof, Found and Almost Lost


A Long-Sought Proof, Found and Almost Lost
When a German retiree proved a famous long-standing mathematical conjecture, the response was underwhelming.

April 2, 2017 at 09:38PM
via Digg http://ift.tt/2ntEeoh

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