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Chapter 5 Cherkas’ SystemsIn this chapter we give an extended example of a non-trivial classification of centers which involves both Darboux and symmetry mechanisms for producing a center. Further details can be found in , which we follow closely.小争吵 发表于 2025-3-23 16:18:08
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Colin Christopher,Chengzhi Li,Joan TorregrosaGives a survey of current areas of active research.Written in an approachable manner suitable for graduate students.Provides updates, further clarifications and remarks果核 发表于 2025-3-24 14:44:04
Advanced Courses in Mathematics - CRM Barcelonahttp://image.papertrans.cn/l/image/586154.jpgAnthology 发表于 2025-3-24 17:59:34
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