Sum-free sets of integers
Volume 11 / 1966
                    
                    
                        Acta Arithmetica 11 (1966), 393-396                    
                                        
                        DOI: 10.4064/aa-11-4-393-396                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            