Kaprekar, D. R. <br/><br/>
Demlo numbers/ 
with a foreword by Prof. A. A. Krishnaswamy Ayyangar 
 - [Deolali, India:  1948]. 
 - 114 p.:  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demlo numbers.
<br/><br/><label>Dewey Class. No.: </label>512.7   / K17d