Integral averaging technique and oscillation of certain even order delay differential equations
2004 ◽
Vol 292
(1)
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pp. 238-246
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1987 ◽
Vol 127
(1)
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pp. 140-150
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2017 ◽
Vol 48
(1)
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pp. 55-63
2020 ◽
Vol 63
(1-2)
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pp. 607-617
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2013 ◽
Vol 26
(2)
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pp. 179-183
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1976 ◽
Vol 54
(3)
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pp. 653-665
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