THE NUMBER OF PERIODIC SOLUTIONS OF NON-AUTONOMOUS SYSTEMS

被引：6

作者：

CRONIN, J

机构：

来源：

关键词：

D O I：

10.1215/S0012-7094-60-02718-6

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

引用

页码：183 / 193

页数：11

共 12 条

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CRONIN, J .

[8]

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[9]

LEFSCHETZ S, 1957, DIFFEENTIAL EQUATION

[10]

Leray J., 1934, ANN SCI ECOLE NORM S, V51, P45