संदर्भ सूचना-पुस्तिका

33
"-- ”  (i  j)
3
 

.
-  

. 

  


  


 

 . 


 

 
 ,  


  ; 


 

 
 ,  


 

 .
 

4
 .
-  


 

 . 
   
   
 .    
  

  
   




   


 

.  


,  
   
  .  


  a 
.
   