Recent results on lower bounds of eigenvalue problems by nonconforming finite element methods
2014 ◽
Vol 61
(1)
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pp. 196-221
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2015 ◽
Vol 55
(4)
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pp. 1243-1266
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2013 ◽
Vol 56
(12)
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pp. 2599-2614
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2005 ◽
Vol 75
(253)
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pp. 1-7
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1995 ◽
Vol 32
(1)
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pp. 235-248
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2007 ◽
Vol 107
(3)
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pp. 473-502
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