Boundary-value problems of mathematical physics and related problems of function theory. Part 24
Sommaire
        p. 51-61
        
        
        
        
      
    
  
        p. 139-148
        
        
        
        
      
    
  
        p. 149-155
        
        
        
        
      
    
  
        p. 156-166
        
        
        
        
      
    
  