Niven, Ivan   <br/><br/>
Numbers :  rational and irrational 

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 - N.Y  Singer  1961 
 - viii, 136p 
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<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Numers, Theory of Numbers 
<br/><br/><label>Dewey Class. No.: </label>512.81/NIN