On~systems of convergence
    
    
  
  
  
      
      
      
        
Sbornik. Mathematics, Tome 10 (1970) no. 1, pp. 21-36
    
  
  
  
  
  
    
      
      
        
      
      
      
    Voir la notice de l'article provenant de la source Math-Net.Ru
            
              			In this paper we shall give necessary and sufficient conditions for a system of measurable functions to be a system of convergence, in various senses of this expression. Sharper results will be given for systems $\{\varphi(nx)\}$.
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      @article{SM_1970_10_1_a1,
     author = {E. M. Nikishin},
     title = {On~systems of convergence},
     journal = {Sbornik. Mathematics},
     pages = {21--36},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {1970},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1970_10_1_a1/}
}
                      
                      
                    E. M. Nikishin. On~systems of convergence. Sbornik. Mathematics, Tome 10 (1970) no. 1, pp. 21-36. http://geodesic.mathdoc.fr/item/SM_1970_10_1_a1/
