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Estimates for Eigenvalues of Positive Definite Operators in L2 (G) Spaces
FU Ai-min , WANG Min . Estimates for Eigenvalues of Positive Definite Operators in L2 (G) Spaces[J]. Journal of Hebei University(Natural Science Edition), 2005 , 25(3) : 238 -240,256 . DOI: 10.3969/j.issn.1000-1565.2005.03.003
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