“Polya”寫句子，用Polya造句

The Improved Proving of Polya-Szego Inequality and Integral Inequality;

當然還有其他關於數學解題的書，如數學教育家Polya 的經典之作《如何解題》，我參加奧林匹克數學競賽時曾從中獲益非淺。

The Integral Form of Greub-Rheinboldt Inequality and Polya-Szego Inequality;