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Abstract and Applied Analysis
Volume 2013 (2013), Article ID 861052, 5 pages
Limit Cycles and Integrability in a Class of Systems with High-Order Nilpotent Critical Points
School of Science, Linyi University, Shandong, Linyi 276005, China
Received 17 December 2012; Accepted 2 February 2013
Academic Editor: Chuangxia Huang
Copyright © 2013 Feng Li and Jianlong Qiu. 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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