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- Language: English
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- Language: English
- Year: 2016
- Author: Brilleslyper Michael A
- Language: English
- Year: 2012
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- Language: English
- Year: 2014
- Author: Bobenko Alexander I
- Language: English
- Year: 2016
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- Language: English
- Year: 2015
- Author: Arwini Khadiga A., Dodson Christopher T. J., Morel J.-M, Takens F., Teissier B
- Language: English
- Year: 2008
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- Language: English
- Year: 2016
- Author: Andrei A. Agrachev, Yuri Sachkov
- Language: English
- Year: 2010