Investigations in the powersum theory II
Tom 25 / 1973
                    
                    
                        Acta Arithmetica 25 (1973), 105-113                    
                                        
                        DOI: 10.4064/aa-25-1-105-113                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            