OSCILLATION CRITERIA FOR SECOND-ORDER NONLINEAR DELAY DIFFERENTIAL EQUATIONS WITH DAMPING
1970 ◽
Vol 30
(3)
◽
pp. 695-701
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2019 ◽
Vol 7
(1)
◽
pp. 81-88
2006 ◽
Vol 43
(7-8)
◽
pp. 854-869
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2010 ◽
Vol 233
(9)
◽
pp. 2105-2111
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2014 ◽
Vol 32
(3_4)
◽
pp. 447-454
◽
1976 ◽
Vol 54
(3)
◽
pp. 653-665
◽