| 
	   
                
               
PORTUGALIAEMATHEMATICA Vol. 52, No. 3, pp. 251-278 (1995)  | 
| 
       
	
	
	
	
       | 
    
Les Algèbres $\calc{U}(\calc{F})$ et le Calcul SymboliqueFernando Manuel SequeiraUrbanizaç\ ao da Portela, Lt. 52 - 10. Dto.,Portela, Loures - PORTUGAL Full text of the article: 
 Electronic version published on: 29 Mar 2001. This page was last modified: 27 Nov 2007. 
© 1995 Sociedade Portuguesa de Matemática
  |