O'Meara, O.T <br/><br/>
Introduction to quadratic forms / 
O.T O'Meara, O.T 
 - Berlin:  Springer-Verlag  1973. 
 - 342p. 
<br/><br/><label>ISBN: </label>3540029842 
<br/><br/><label>Universal Decimal Class. No.: </label>511.342  / OME