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        Summary 
        
         
          
           | Description | 
           Element de diagramme de Coxeter-Dynkin | 
          
          
           | Date | 
           20 January 2007 | 
          
          
           | Source | 
            http://en.wikipedia.org/wiki/Image:CDW_4.png | 
          
          
           | Author | 
           Tomruen | 
          
         
         
        Licensing 
        
         
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          Permission is granted to copy, distribute and/or modify this document under the terms of the  GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.  Subject to  disclaimers.www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue 
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       File usage
       
        The following pages on Schools Wikipedia link to this image (list may be incomplete):
        
        
       
      Wikipedia for Schools was collected by SOS Childrens Villages. SOS Children is an international children's charity, providing a good home and loving family to thousands of children who have lost their parents. We also work with communities to help vulnerable families stay together and raise children in the best possible environment. Help another child by taking out a sponsorship