Vygodsky M Y <br/><br/>
Saral ganit nirdeshika 

 - Moscow   Mir Prakashan  1987 
 - 475p. 
<br/><br/><br/>MACESE 
<br/><br/><label>ISBN: </label>5-03-001328-8 
<br/><br/><label>Source: </label>Textual