Nonlinear Equations and Spectral Theory
2008 ◽
Vol 42
(1)
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pp. 1-18
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1999 ◽
Vol 31
(12)
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pp. 81-87
Keyword(s):
2016 ◽
Vol 75
(16)
◽
pp. 1417-1433
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2019 ◽
Vol 10
(4)
◽
pp. 877-886
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