Ribenboim, Paulo  <br/><br/>
Interscience Tracts in Pure and Applied Mathematics:   Rings and Modules (vol-24) 
/ by Paulo Ribenboim 
 - new york  Interscience publishers  1969 
 - 162p. 
<br/><br/><label>Dewey Class. No.: </label>512.87  / RIB/I