Publication Cover
Applicable Analysis
An International Journal
Volume 35, 1990 - Issue 1-4
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Original Articles

Sufficient conditions for oscillation and existence of positive solutions

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Pages 187-194 | Received 16 May 1989, Published online: 02 May 2007

References

  • Grammatikopoulos , M.K. and Grove Ladas , E.A. 1986 . Oscillation and asymptotic behavior of neutral differential equations with deviating arguments . Applicable Analysis , 22 : 1 – 19 .
  • Grammatikopoulos , M.K. , Grove , E.A. and Ladas , G. 1986 . Oscillations of first order neutral delay differential equations . J. Math. Anal. Appl , 120 : 510 – 520 .
  • Grove , E.A. , Kulenovic , M.R.S. and Ladas , G. 1987 . Sufficient conditions for oscillation and nonoscillation of neutral equations . J. Differential Equations , 68 : 373 – 382 .
  • Sficas , Y.G. and Stavroulakis , I.P. 1987 . Necessary and sufficient conditions for oscillations of neutral differential equations . J. Math. Anal. Appl , 123 : 494 – 507 .

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