DIFFERENTIAL EQUATIONS WITH NON-OSCILLATORY EIGENFUNCTIONS

被引:62
作者
HARTMAN, P
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D O I
10.1215/S0012-7094-48-01559-2
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
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页码:697 / 709
页数:13
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