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Lihong Bai       Existence of positive solutions of a class of discrete difference systems       Int. Math. Forum, Vol. 8, 2013, no. 9-12, 537-543       http://dx.doi.org/10.12988/imf.2013.13054
Copyright © 2013 Lihong Bai. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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