Advances in Pure Mathematics
Vol.1 No.3(2011), Paper ID 5189, 4 pages
DOI:10.4236/apm.2011.13012
On a Class of Dual Model with Divided Threshold
Yuzhen Wen
Copyright © 2011 Yuzhen Wen et al. This is an open access article 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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