Habil Rer. Nat. Co. <br/><br/>
Dictionary of mathematics. 

 - Amsterdam  Elsevier Scientific Publishing       1982 
<br/><br/><label>Standard No.: </label>37581 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>Bk, M2.1-.2     RR