Cohen, Leon Warren. <br/><br/>
The structure of the real number system /    
Leon W. Cohen and Gertr ude Ehrlich. 
 - Princeton :   D. Van Nostrand,   1963. 
 - viii, 116 p. ;    24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Numbers, Real.--------
<br/><br/><label>Dewey Class. No.: </label>512.81