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新疆大学数学系,
Published:1990
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[1]郭治中.多奇点Liènard系统解的有界性及极限环的存在性[J].新疆大学学报(自然科学版),1990(03):14-20.
郭治中. 多奇点Liènard系统解的有界性及极限环的存在性[J]. Journal of Xinjiang University (Natural Science Edition in Chinese and English), 1990, (3).
[1]郭治中.多奇点Liènard系统解的有界性及极限环的存在性[J].新疆大学学报(自然科学版),1990(03):14-20. DOI:
郭治中. 多奇点Liènard系统解的有界性及极限环的存在性[J]. Journal of Xinjiang University (Natural Science Edition in Chinese and English), 1990, (3). DOI:
本文研究系统■具有多个奇点时
其极限环的存在性及解的有界性问题
所得定理的条件较为广泛且很好验证
即使奇点唯一时
其定理的条件也是很弱的
且包含了许多现有同类定理的结果.
The bound of solution and the existance of limit cycles for the system ■ are discussed when it has singular points
the condition of the theorem given here are wider and testedeasily.Even if it has unique singular point
the condition is weaker and includes many present results ofsame kind theorems.
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