Abstract
The existence of positive periodic solutions of discrete nonautonomous Lotka–Volterra cooperative systems with delays is studied by applying the continuation theorem of coincidence degree theory.
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Anh, T.T. Positive periodic solutions of discrete Lotka–Volterra cooperative systems with delays. Acta Math Vietnam. 38, 461–470 (2013). https://doi.org/10.1007/s40306-013-0027-y
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DOI: https://doi.org/10.1007/s40306-013-0027-y