Northcott, Douglan Geoffrey <br/><br/>
Affine sets and affine groups 

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 - Cambrdige  Cambridge University Press  1980 
 - x, 285p.   
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<br/><br/><label>Subjects--Index Terms: </label>Mathematics  Number theory  Set theory  Group theory  Trigonometry  plane geometry  affinesets  affine groups 
<br/><br/><label>Dewey Class. No.: </label>514.14:510.22