Uthaman, P. K. <br/><br/>
Pythagoras, euclid, archimedes, descartes / 
by P. K. Uthaman 
 - Kottayam :  Kairali Childrens Book Trust,  1983. 
 - Mahacharithamaala  91 .
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Biography