Oscillation Results of Certain Higher Order Linear Differential Equations with Periodic Coefficients in the Complex Plane
1997 ◽
Vol 215
(2)
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pp. 560-576
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2011 ◽
Vol 376
(2)
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pp. 713-724
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2010 ◽
Vol 30
(4)
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pp. 1291-1300
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1985 ◽
Vol 37
(2)
◽
pp. 193-197
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Keyword(s):
Keyword(s):