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Periodic solutions of functional differential equations

  • Bruce R. Stephan
Conference paper
  • 246 Downloads
Part of the Lecture Notes in Mathematics book series (LNM, volume 144)

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References

  1. [1]
    Cooke, K.L. Functional differential systems:some models and perturbation problems, Int.Symp.Diff.Eqs.,Puerto Rico 1965Google Scholar
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    Perello, C. Periodic solutions of differential equations with time lag containing a small parameter, J. Diff. Eqs. #4, 1968 pp 160–175Google Scholar
  3. [3]
    Hale, J.K. "Oscillations in nonlinear systems", Academic Press, 1963Google Scholar
  4. [4]
    Stephan, B.H. On the existence of periodic solutions of z'(t)=-az(t-r+μk(t,z(t))+F(t), J. Diff. Eqs. #6 1969Google Scholar
  5. [5]
    Hale, J.K. Linear functional differential equations with constant coefficients, Cont. Diff. Eqs. 1 1963Google Scholar
  6. [6]
    Jones, G.S. Asymptotic fixed point theorems and periodic solutions of functional differential equations, Cont. Diff. Eqs. 2 1963Google Scholar
  7. [7]
    Stephan, B.H. Periodic solutions of differential with almost constant time lag, to appearGoogle Scholar

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© Springer-Verlag 1970

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  • Bruce R. Stephan

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