Robinson, Derek J.S  <br/><br/>
A course in the theory of groups / 
Derek J.S. Robiinson 
 - 2nd ed. 
 - USA,  Springer:  1996. 
 - 499 p.  HB 
<br/><br/>CHAPTER I. Fundamental concepts of group theory<br/>CHAPTER II. Free groups and presentations<br/>CHAPTER III. Decompositions of a group.. 
<br/><br/><label>ISBN: </label>9780387944616 
<br/><br/><label>Dewey Class. No.: </label>512.2  / ROB/C