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• Fixed Point Theory and Nonlinear Periodic Systems

  Ronald Grimmer, Min He

  101–113

  2009-08-01

• Periodic BVP for a class of nonlinear differential equation with a deviated argument and integrable impulses

  Alka Chadha, Dwijendra N Pandey

  11-27

  2015-03-01
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  Positive periodic solutions of functional discrete systems with a parameter

  Youssef N. Raffoul, Ernest Yankson

  79–90

  2019-04-01
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  Ciclos límite en el plano: Contribuciones desde Chile Limit cycles in the plane: Contributions from Chile

  J. D. García-Saldaña, S. Rebollo-Perdomo

  391–410

  2025-10-15

• On the global behavior of ð‘¥áµ¤â‚Šâ‚ = |ð‘¥áµ¤|− ð‘¦áµ¤ − 1 and ð‘¦áµ¤â‚Šâ‚ = ð‘¥áµ¤ +|ð‘¦áµ¤|

  E. A. Grove, E. Lapierre, W. Tikjha

  111–152

  2012-06-01