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Abstract and Applied Analysis
Volume 2011 (2011), Article ID 393875, 8 pages
On a Maximal Number of Period Annuli
1Information Systems and Management Institute, Ludzas Street 91, 1019 Riga, Latvia
2Institute of Mathematics and Computer Science, University of Latvia Rainis Boulevard 29, 1459 Riga, Latvia
Received 30 October 2010; Accepted 30 December 2010
Academic Editor: Elena Braverman
Copyright © 2011 Yelena Kozmina and Felix Sadyrbaev. 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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- M. Sabatini, “On the period function of ,” Journal of Differential Equations, vol. 196, no. 1, pp. 151–168, 2004.
- S. Atslega and F. Sadyrbaev, “Multiple solutions of the second order nonlinear Neumann BVP,” in Proceedings of the 6th International Conference on Differential Equations and Dynamical Systems, pp. 100–103, Watam Press, Baltimore, Md, USA, May 2009.