WANG Min
,
ZHAO Hong-liang
,
HAN Yan-bin
. Upper Estimates of Weighted Eigenvalues for the Vibration of Membranes[J]. Journal of Hebei University(Natural Science Edition), 2005
, 25(2)
: 117
-120,129
.
DOI: 10.3969/j.issn.1000-1565.2005.02.001
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