On a periodic boundary value problem with only two simple eigenvalues
1981 ◽
Vol 80
(1)
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pp. 1-6
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Keyword(s):
1988 ◽
Vol 39
(3)
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pp. 228-232
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2017 ◽
Vol 7
(3)
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pp. 12-15
Keyword(s):
1998 ◽
Vol 226
(1)
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pp. 259-270
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2015 ◽
Vol 2015
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pp. 1-8
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2005 ◽
Vol 25
(1)
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pp. 81-88
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