Abstract
An application of a bifurcation theorem shows the existence of periodic solutions of a system of differential equation used to describe competition between two species. It is then shown that the results are more general than those previously established.
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Literature
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Waltman, P.E. The equations of growth. Bulletin of Mathematical Biophysics 26, 39–43 (1964). https://doi.org/10.1007/BF02476619
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DOI: https://doi.org/10.1007/BF02476619