Existence and global stability of positive periodic solutions of a discrete delay competition system.
Huo, Hai-Feng, Li, Wan-Tong (2003)
International Journal of Mathematics and Mathematical Sciences
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Huo, Hai-Feng, Li, Wan-Tong (2003)
International Journal of Mathematics and Mathematical Sciences
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Alzabut, J.O., Nieto, J.J., Stamov, G.Tr. (2009)
Boundary Value Problems [electronic only]
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Alexander Fischer (1998)
Czechoslovak Mathematical Journal
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It is not the purpose of this paper to construct approximations but to establish a class of almost periodic functions which can be approximated, with an arbitrarily prescribed accuracy, by continuous periodic functions uniformly on .
Radosław Pietkun (2010)
Bulletin of the Polish Academy of Sciences. Mathematics
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The existence of a continuous periodic and almost periodic solutions of the nonlinear integral inclusion is established by means of the generalized Schauder fixed point theorem.
Alexandr Fischer (1999)
Mathematica Bohemica
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This paper generalizes earlier author's results where the linear and quasilinear equations with constant coefficients were treated. Here the method of limit passages and a fixed-point theorem is used for the linear and quasilinear equations with almost periodic coefficients.
J. W. McCoy (1970)
Colloquium Mathematicae
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