View source for Centerfocus publications

* [http://arxiv.org/abs/math/0505547 Experimental results for the Poincaré center problem], [http://www.crcg.de/wiki/User:Bothmer Hans-Christian Graf v. Bothmer] (including an appendix with M. Cremer),	NoDEA, Volume 14, Numbers 5-6 / December 2007.  

All computations can be performed with our most recent program available at [http://sourceforge.net/projects/centerfocus/files/ sourceforge]. [ [[cf:strudel_programs.html | code at submission time]] ]

* "Focal values of plane cubic centers", [http://www.crcg.de/wiki/User:Bothmer Hans-Christian Graf v. Bothmer], [http://www.crcg.de/wiki/User:Kroeker Jakob Kröker], Qualitative Theory of Dynamical Systems, Volume 9, Number 1-2 (2010): 319-324, DOI [http://dx.doi.org/10.1007/s12346-010-0031-8 10.1007/s12346-010-0031-8], [http://arxiv.org/abs/0902.3415 arXiv:0902.3415v1].