রেফারেন্স পুস্তিকা

162
 
 
  g  
 - 
m  
1    
      p 
  
2  
s  
 167-       
    n
 
   
 n
3 
-     
   n
  j 
   ,   n
   ;   
  ,   n
    (   
    ;      ) i  j
 ,     A (L)  