p. 70-84
        
        
        
        
      
    
  
        p. 93-98
        
        
        
        
      
    
  
        p. 99-108
        
        
        
        
      
    
  
        p. 178-189
        
        
        
        
      
    
  
        p. 217-228
        
        
        
        
      
    
  
        p. 259-267
        
        
        
        
      
    
  
        p. 268-293
        
        
        
        
      
    
  
        p. 20-34
        
        
        
        
      
    
  
        p. 80-87
        
        
        
        
      
    
  
        p. 191-208
        
        
        
        
      
    
  
      
      
        
      
      
  
    
    
    On the extremal problem about the minimum of the free term of a~nonnegative trigonometric polynomial
    
    
  
  
  
        
          
        
      
 
      
        p. 105-121
        
        
        
        
      
    
  
        p. 122-135
        
        
        
        
      
    
  
        p. 178-185
        
        
        
        
      
    
  
        p. 233-241
        
        
        
        
      
    
  
        p. 3-18
        
        
        
        
      
    
  
        p. 134-141
        
        
        
        
      
    
  
        p. 142-159
        
        
        
        
      
    
  
        p. 278-292
        
        
        
        
      
    
  
        p. 312-315
        
        
        
        
      
    
  
        p. 316-320
        
        
        
        
      
    
  