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中国科学院数学与系统科学研究院期刊网
ISSN 0583-1431 CN 11-2039/O1
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中文
THE RELATIVE POSITION AND NUMBER OF LIMIT CYCLES OF THE QUADRATIC DIFFERENTIAL SYSTEN
陈兰荪;王明淑
Acta Mathematica Sinica, Chinese Series . 1979, (
6
): 751 -758 . DOI: 10.12386/A1979sxxb0069