Oscillations of Fourth Order Linear Neutral Delay Differential Equations
2019 ◽
Vol 65
(7)
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pp. 296-305
2006 ◽
Vol 140
(02)
◽
pp. 349
◽
2010 ◽
Vol 40
(1)
◽
pp. 47-63
◽
2001 ◽
Vol 117
(2-3)
◽
pp. 203-222
◽