Cohen, Leon Warren,  1903- [from old catalog] <br/><br/>
The structure of the real number system / 
Leon W Cohen; Gertrude Ehrlich 
 - Princeton, N.J. :  D. Van Nostrand ,  c1963 
 - viii, 116 p. ;  23 cm. 
 - The University series in undergraduate mathematics. [from old catalog] .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory.<br/>Arithmetic--Foundations.
<br/><br/><label>Dewey Class. No.: </label>512.7  / COS 1963