Abstract algebra 
Dummit, David Steven. 
 - Second edition. 
 -  Prentice Hall,  1999 
 - xiv, 898 pages 
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<br/><br/><label>ISBN: </label>0-13-775826-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra, Abstract.
<br/><br/><label>Dewey Class. No.: </label>512 D89a 1999