%0 Journal Article
	%A Kejun Zhuang
	%D 2008
	%J International Journal of Mathematical and Computational Sciences
	%B World Academy of Science, Engineering and Technology
	%I Open Science Index 19, 2008
	%T Periodicity for a Food Chain Model with Functional Responses on Time Scales
	%U https://publications.waset.org/pdf/2322
	%V 19
	%X With the help of coincidence degree theory, sufficient
conditions for existence of periodic solutions for a food chain model
with functional responses on time scales are established.
	%P 503 - 506