Ishida, Makoto <br/><br/>
The genus fields of algebraic number fields   

 - Berlin  Springer-Verlag  1976 
 - v, 116p. Index 
 - Lecture notes in Mathematics   555 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>512.7  / Is79.GF