John von Neumann collected works  
/Pergamon Press, Vol. III, rings of operators  
 - Oxford:   Pergamon Press,   1961  
 - ix, 574p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bibliography 
<br/><br/><label>Subjects--Index Terms: </label>Reduction theory  
<br/><br/><label>Universal Decimal Class. No.: </label>51(081)  / K1.3