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   sci.math.symbolic      Symbolic algebra discussion      10,432 messages   

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   Message 9,258 of 10,432   
   clicliclic@freenet.de to oldk1331@gmail.com   
   Re: alarum: Risch integrator fails to di   
   01 Feb 17 06:40:24   
   
   oldk1331@gmail.com schrieb:   
   >   
   > > Actually, Goursat considered the special radicand x^3 - x as well (on   
   > > pp. 118-119) and concludes that no special pseudo-elliptic cases arise.   
   > > I tend to believe him.   
   >   
   > Hello Martin, can you point out which publication of Goursat are you   
   > talking about?   
   >   
      
   Edouard Goursat, Note sur quelques intégrales pseudo-elliptiques,   
   Bulletin de la Société Mathématique de France 15 (1887), 106-120,   
   on-line at:   
      
        
      
   Practically forgotten. Straightforward to implement in rule-based   
   integrators. Covers all pseudo-elliptic integrands that matter in   
   practice. Can be extended to cube roots.   
      
   Martin.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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