shumin zhang 中文意思是什麼
shumin zhang
解釋
張淑敏-
In the fourth chapter, some general equations are studied, of which abel equation and some equations that have been intensively studied are the special cases. we obtain the theorems about the upper bound and existence of closed solution under some conditions, which generalize and improve the relative work of a. gasull and j. llibre, wang rongliang and wu changzhi, feng zhaosheng, zhang peijun and zhang houyang, feng zhaosheng and fei shumin
第四章討論了幾類較一般的方程，它們以abel方程和其它一些被廣泛研究的方程為特例，得到了一定條件下閉解個數的上限及閉解存在性的定理，推廣和改進了a . gasull和j . llibre ， wangrongliang和wuchangzhi ，馮兆生，張培軍和張后揚， fengzhaosheng和feishumin的有關工作。
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