Semigroups of directed transformations of ordered sets
    
    
  
  
  
      
      
      
        
Sbornik. Mathematics, Tome 3 (1967) no. 1, pp. 33-39
    
  
  
  
  
  
    
      
      
        
      
      
      
    Voir la notice de l'article provenant de la source Math-Net.Ru
@article{SM_1967_3_1_a2,
     author = {E. S. Lyapin},
     title = {Semigroups of directed transformations of ordered sets},
     journal = {Sbornik. Mathematics},
     pages = {33--39},
     publisher = {mathdoc},
     volume = {3},
     number = {1},
     year = {1967},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1967_3_1_a2/}
}
                      
                      
                    E. S. Lyapin. Semigroups of directed transformations of ordered sets. Sbornik. Mathematics, Tome 3 (1967) no. 1, pp. 33-39. http://geodesic.mathdoc.fr/item/SM_1967_3_1_a2/
