A CHARACTERIZATION OF THE SPECTRA OF ONE-DIMENSIONAL WAVE EQUATIONS

被引：28

作者：

HARTMAN, P

机构：

来源：

AMERICAN JOURNAL OF MATHEMATICS | 1949年 / 71卷 / 04期

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D O I：

10.2307/2372376

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

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页码：915 / 920

页数：6

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