摘要: Let $\sum_{n=1}^{\infty}a_{n}$ and $\sum_{n=1}^{\infty}b_{n}$ ,both of them are convergent series with positive terms .For every $\mu+\nu\geq1,\mu>0,\... 阅读全文
posted @ 2015-07-30 12:02 李心怡 阅读(168) 评论(0) 推荐(0) 编辑