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Note on the periodic solutions of systems of ordinary differential equations

  • R. I. I. Abdel Karim
Article
  • 23 Downloads

Keywords

Differential Equation Ordinary Differential Equation Periodic Solution 
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References

  1. [1]
    R. I. I. Abdel Karim, Studium des Resonanzfalles bei Systemen gewöhnlicher Differentialgleichungen.Arch. Rational Mech. Anal.,10 (1962), pp. 229–241.CrossRefGoogle Scholar
  2. [2]
    R. I. I. Abdel Karim, Uber den Resonanzfall bei gewöhnlichen linearen Differentialgleichungenn-ter Ordnung mit periodischen veranderlichen Koeffizienten,Archivum mathematicum (Brno) 3 (1967), pp. 11–30.Google Scholar
  3. [3]
    R. I. I. Abdel Karim, On the vector solution of the system of the differential equations x'=A(t)x+f(t),Annales U. Sci. Budapest, Sectio Mathematica, (1971), (in print).Google Scholar
  4. [4]
    W. Schmeidler,vorträge über Determinanten und Matrizen mit Anwendungen in Physik und Technik, (Akademie Verlag, Berlin, 1949).Google Scholar

Copyright information

© Akadémiai Kiadó 1973

Authors and Affiliations

  • R. I. I. Abdel Karim
    • 1
  1. 1.Faculty of Sience Mathematical DepartmentCairo UniversityCarioEgpt

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