Niven, Ivan Morton,  1915- <br/><br/>
Numbers :  rational and irrational / 
by Ivan Niven. 
 - [Washington] :  Mathematical Association of America,  c1961 
 - viii, 140 p. 
 - New mathematical library ;  1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Numbers, Real.
<br/><br/><label>LC Class. No.: </label>QA241  / .N58 
<br/><br/><label>Dewey Class. No.: </label>512.81