Kaplansky, Irving  1917-2006. <br/><br/>
Fields and rings / 
Irving Kaplansky 
 - 2d ed. 
 - Chicago :  University of Chicago Press,  c1972 
 - x, 206 p. ;  21 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0226424502  0226424510 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebraic fields.<br/>Rings (Algebra)<br/>Galois theory.
<br/><br/><label>Dewey Class. No.: </label>512.815  / KAF 1969