New criteria for canonical number systems
Tom 111 / 2004
                    
                    
                        Acta Arithmetica 111 (2004), 5-25                    
                                        
                        MSC: 11A63, 37B10.                    
                                        
                        DOI: 10.4064/aa111-1-2                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            