Automata and the arithmetic of formal power series
Tom 46 / 1986
                    
                    
                        Acta Arithmetica 46 (1986), 211-214                    
                                        
                        DOI: 10.4064/aa-46-3-211-214                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            