Sommaire du Fascicule no. 1
        p. 3-23
        
        
        
        
      
    
  
        p. 24-31
        
        
        
        
      
    
  
      
      
        
      
      
  
    
    
    Estimates of the eigenvalues of the Schr\"odinger equation for a~system of interacting particles.~II
    
    
  
  
  
        
          
        
      
 
      
        p. 136-140
        
        
        
        
      
    
  
        p. 141-143
        
        
        
        
      
    
  Sommaire du Fascicule no. 2
        p. 147-158
        
        
        
        
      
    
  