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Periodic solutions of some forced Liénard differential equations at resonance

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Author notes

  1. J. Mawhin

    Present address: Institut Mathématique, Université de Louvain, B-1348, Louvain-la-Neuve

  2. J. R. Ward Jr.

    Present address: Department of Mathematics, The University of Alabama University, 35486, Alabama, USA

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    1. J. Mawhin
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    2. J. R. Ward Jr.
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    Mawhin, J., Ward, J.R. Periodic solutions of some forced Liénard differential equations at resonance. Arch. Math 41, 337–351 (1983). https://doi.org/10.1007/BF01371406

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